1AE01 - First Assistant Engineer

In a closed-loop process control system, what is meant by error?

Referring to the illustrated dual duct multiple zone HVAC system, how is the space temperature directly controlled? Ill...

Boiler refractory firebrick is secured to the casing by __________.

As an engineer of a slow-speed diesel powered vessel, you note that the indicator card diagrams have a flat horizontal ...

In general, diesel engine waste heat boiler construction is usually of the _________.

In a compartment that has been completely flooded with water, the greatest pressure will be exerted __________.

What would be the total current in figure "A" of the circuit illustrated if the value of capacitor C1 was 100 microfara...

In a closed-loop process control system, what term is used to describe the undesirable characteristic in which the error...

It is absolutely essential that hydronic heating system hot water piping be kept free of air. Assuming that a system is...

Which of the listed types of safety valves is shown in the illustration? Illustration SG-0018

When analyzing indicator card diagrams you are calculating the work output from the cylinder by obtaining the area with...

The pressuretrol which is installed on an auxiliary boiler senses steam pressure changes and __________.

Wooden shoring, with a cross-sectional dimension of 4" X 4" should not be longer than __________.

A vessel is equipped with two ship's service generators. Generator No.1 is rated at 900 kW and generator No.2 is rated ...

In a closed-loop process control system, what is meant by the derivative mode of control?

Referring to the illustrated psychrometric chart, suppose air at a dry bulb temperature of 60oF and a relative humidity...

On a boiler safety valve, the blowdown adjusting ring is locked in place by a __________.

When one cylinder has a lower compression pressure and higher exhaust gas temperature than any of the other engine cyli...

Provisions for avoiding the buildup of ice on the intake air surfaces of a gas turbine plant can be found where?

The wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from __________.

If the values of "C1" and "R1" shown in the illustration were 1 microfarad and 3 megohms respectively, which of the lis...

As a result of a load or setpoint change, in addition to minimizing the maximum value of the error, what are the two add...

In order to establish a good climate for communication it is important to minimize status barriers. Which of the follow...

What is the primary operational difference between a nozzle reaction safety valve and a huddling chamber safety valve?

If a valve seat insert, similar to that shown in the illustration is cracked, this may be indicated by __________. Illu...

In comparing a centrifugal-type to an axial-type compressor, which of the following statements is true?

Following a grounding, you can best determine that a SLACK fuel oil tank has been holed by __________.

Which figure represents the schematic symbol shown in figure "2"? Illustration EL-0034

Antifriction bearings can be removed undamaged from a shaft by using an arbor press, or wheel puller with a ________.

An important communication tool for managers is known as active listening. It helps better ensure that managers underst...

Which of the listed procedures is the most important factor to take into consideration when making repairs to the refra...

Worn diesel engine intake valve guides can result in __________.

While air is being compressed in a centrifugal flow gas turbine, what happens to the direction of air flow?

Progressive flooding in the engine room may be minimized by securing watertight boundaries and _________.

Which of the illustrated resistors represents the schematic symbol shown in figure "B"? Illustration EL-0021

The bilge system has been performing well; however, the aft starboard engine room bilge well suddenly fails to be pumpe...

Leadership style sometimes must change with the readiness level of the employees. Which of the following employee readi...

When water washing a boiler, the proper sequence for washing the sections should be the __________.

One experiences evidence of high temperature corrosion on diesel engine combustion space components. This is exhibited ...

Which of the following statements is true regarding centrifugal compressors?

What is a major advantage of using a positive pressure type self-contained breathing apparatus?

To properly use a clamp-on type ammeter to check current flow, what must be done FIRST?

If a bilge pump is able to develop vacuum, but is unable to sufficiently pump out the bilges, you would check for all o...

Which of the following shipboard groups would be an example of an informal group?

According to the data given in the illustration which of the following would be the physical state of the fluid at a ga...

The most practical way of detecting an overload in one cylinder of an operating large, low-speed, main propulsion diese...

An axial compressor basically consists of which of the following?

Life jackets should be stowed in __________.

Why are external shunts sometimes used with ammeters?

Which of the listed problems could produce a high absolute pressure within a flash type evaporator?

As a manager, one of the practices of positive confrontation reduction skills essential to conflict resolution involves...

The major heat loss in an oil-fired boiler is the heat __________.

Which of the following procedures should be carried out to permit the continued operation of a crosshead engine with a ...

The purpose of the metal spray rub coating on the rotor and stator casing of an axial-type compressor is which of the f...

Which of the following is required to be included in the fireman's (emergency) outfit?

What can a typical common analog or digital multimeter be used to measure?

A high reading is indicated at the salinity cells labeled "SC1", "SC2", and "SC3" shown in the illustration. This is pr...

An important component of pre-planning for fire emergencies is the fire control plan. Which statement is true concernin...

Cratering and water tracking in boiler tubes is caused by __________.

A main propulsion diesel engine crankshaft bearing lacking sufficient 'crush', will __________.

Two functions of the compressor stator vanes include which of the following?

Which of the following statements is true concerning an immersion suit and its use?

Which of the listed statements is correct when using a digital multimeter set up as an ohmmeter?

The thickest deposit of scale in a flash evaporator is most likely to occur in the tubes of the __________.

Of all the individual components of a pre-fire planning package, which component contains information about emergency d...

Under normal operating conditions, a drop in the steam temperature leaving an uncontrolled interdeck superheater could ...

In an auxiliary diesel engine, one reason for knurling the piston skirt is to __________.

What is the term used to describe the stationary vanes preceding the first stage of an axial compressor?

In order to retrieve an inflatable life raft and place it on deck, you should heave on the __________.

Under what circumstance would a hand-held portable phase sequence indicator be used should the main switchboard mounted...

Failure to establish sufficient vacuum when starting up the unit shown in the illustration may be the result of _______...

In planning for a fire and emergency drill, to insure drill success within the context of a comprehensive fire and emer...

When operating under constant load, the superheated steam temperature may rise above normal if the __________.

On small diesel engines, a noticeable decrease in the time interval between the replacement of the lube filter cartridg...

Why are loose-fitting blades used on the first several stages of large axial compressors?

When a rescue vessel approaches a survival craft in heavy seas, the person in charge of the survival craft should _____...

As shown in the illustration, what type of motor and motor starter are featured? Illustration EL-0137

If valve "H" shown in the illustration is opened wide while the distiller is in operation, __________. Illustration MO-...

If the initial report or automatic fire detection equipment are insufficient to provide adequate information to properl...

Which of the conditions listed would indicate excessive soot buildup on the economizer?

In a four-stroke cycle diesel engine, badly worn intake valve guides can cause excessive __________.

What is a compressor midspan shroud?

Each vessel in ocean and coastwise service must have an approved EPIRB. An EPIRB __________.

As shown in the illustration, what is the purpose of the main contacts of contactor "1S"? Illustration EL-0012

Which of the conditions listed would indicate a large condenser tube leak within the distiller shown in the illustratio...

When preparing/writing shipyard items for your vessel's upcoming dry-docking period, what would you consider as an item...

Which of the conditions listed occurs when glassy slag, formed by the burning of fuel oil contaminated with salt water,...

In the illustrated engine, the main camshaft controls the timing of which of the following components? Illustration MO-...

A centrifugal flow gas turbine uses what type of combustion chamber?

A fire can be extinguished by removing __________.

Using the catalog selection chart shown in Illustration EL-0180, determine the correct catalog number for a motor start...

If a reverse osmosis fresh water generating unit has a high salinity alarm associated with the freshwater outlet, what ...

One is slated to be a senior officer of a new vessel and is to participate in the 'Builder's Sea Trials'. What would yo...

Rapid fluctuation in the superheater temperature of a steady steaming boiler indicates __________.

The item labeled "T" as shown in figure 4 of the illustration is identified as the __________. Illustration MO- 0025

The three most common types of combustors used in gas turbine engines are which of the following?

The spreading of fire as a result of heat being carried through a vessel's ventilation system, is an example of heat tr...

By what means should motor controller contacts be routinely cleaned?

Under what conditions would the pre-treatment capabilities of a reverse osmosis freshwater generator MOST likely be ove...

Upon joining a vessel on 28 April 2013 you find the last dry-docking was May 2011. When is the next date for vessel dry...

The boiler main feed stop check valve is located nearest the __________.

Telescopic pipes which are attached to water cooled pistons of large, slow-speed, main propulsion diesel engines are de...

On marine gas turbines equipped with fuel oil nozzles as shown in the illustration, the minimum fuel oil manifold press...

Hazardous conditions exist which may result in spontaneous combustion when __________.

If a digital multimeter is set up as shown in figure "A" of the illustration to test an AC contactor coil, what would t...

The instrument always used in conjunction with a salinometer is a __________.

On a PERT network (or arrow or line), what do the circles which are the beginning points or ending points for arrows or...

To provide emergency feedwater supply to a steaming boiler, if it becomes necessary to secure the DC heater, suction sh...

If the speed of the propeller is 135 RPM, the speed of the engine camshaft shown in the illustration will be __________...

How many fuel igniters would be installed on the marine gas turbine engine shown in the illustration? Illustration GT-0...

If the items shown in the illustration are burning, this fire would be a Class __________. Illustration SF-0001

If the contacts of a motor starter or controller fail to drop out when the 'stop' button is depressed, what could be th...

A salinity indicating system functions on the basic principle of measuring the __________.

For newly constructed vessels, extensive shipyard repair or a vessel's modification period, what does a shipyard's 'Gan...

A two-element boiler feedwater regulator is controlled by __________.

High-speed, multi-cylinder, diesel engines commonly use counterweights placed opposite to the crankpins to __________.

A turbine stage is represented by which of the following components and in which order?

"Dry Powder" fire extinguishers, which contain a mixture of graphite and sodium chloride as the extinguishing agent, ar...

As shown in figure "A" of the illustration, what is the primary reason that the propulsion transformers are configured ...

What design feature is used to minimize potable water wastage associated with hot water distribution piping for a potab...

According 46 CFR regulations pertaining to periodic tests and inspections as related to machinery and equipment, what s...

In a closed feed and water cycle, which of the conditions listed could prevent vacuum from reaching the desired level?

According to the illustration, which of the following is true? Illustration MO-0067

The turbine nozzles convert heat and pressure energy to velocity energy by means of which of the following?

Paints and solvents used aboard a vessel should be __________.

Which of the following statements is TRUE concerning Azipod propulsion systems?

What are the operating characteristics of a "waterlogged" potable water system hydro-pneumatic header tank that needs t...

According to 46 CFR regulations pertaining to periodic tests and inspections as related to machinery and equipment, wha...

Which of the conditions listed may be indicated by the lifting of the DC heater relief valve?

Which of the following statements is correct concerning the connecting rod and piston assembly shown in the illustratio...

The circle of turbine stationary vanes that convert pressure and thermal energy to velocity energy and direct the combu...

A simple precaution to reduce the possibility of accidental fires in the paint locker, is to __________.

What statement is TRUE concerning the Azipod propulsion system?

Which of the following statements is true concerning the application for an isochronous governor?

Vessel special surveys are conducted how often in the life of a vessel?

Scale in the air ejector first-stage nozzle could cause a decrease in the __________.

In an internal combustion engine, which of the devices listed will force the compression rings to seal the compression ...

What are the two principal functions of the turbine nozzle guide vanes?

You are reviewing emergency procedures with new crew members. How would you direct them to proceed if they hear the fir...

With an AC synchronous electric propulsion motor driving a fixed-pitch propeller, whenever there is a direction reversa...

Which statement is true concerning the term "isochronous" as it applies to prime mover speed control governors?

As Chief Engineer you join a vessel enrolled in Continuous Machinery Survey. Approximately what percent of the machiner...

If the cooling water flow through the air ejector intercondensers and aftercondensers is inadequate, which of the probl...

A 'Blotter test' is a test performed on the lube oil of a diesel engine which can determine ______.

Why are the high-pressure turbine blades generally of the impulse/reaction type?

How would you ensure that your crew is prepared to combat a shipboard fire using ship's equipment?

Propulsion AC generators creating 4160 VAC use transformers to provide nominally 120 VAC to the automatic voltage regul...

Referring to the illustrated motor ship freshwater cooling system drawing, what statement is true concerning the main e...

If a vessel is to be laid up for an extended period of time with minimal utilities provided from ashore, boilers may be...

Which of the conditions listed could prevent a centrifugal condensate pump from developing its rated capacity?

Oil oxidation, as a result of excessively high lube oil temperature, is harmful to a diesel engine because __________.

Which of the following designs is the most satisfactory method for attaching turbine blades to the rotor disk?

The component shown in the illustration would be installed in which of the following types of fire detection systems? I...

An electric propulsion drive system in which the propulsion generator only supplies power to the propulsion motor is re...

On deep-draft ships, what statement is true concerning high and low sea suctions for machinery space sea water cooling ...

If a vessel is to be laid up for an extended period of time with minimal utilities provided from ashore, what statement...

A basic comparison can be made between a low-pressure evaporator operation and a main condenser with regards to the rem...

Crankcase explosions in propulsion diesel engines result from __________.

Which of the following is an advantage of a single-shaft gas turbine engine compared to a split-shaft gas turbine engin...

During repairs it is necessary to replace an existing vessel bulkhead. Drawings indicate the bulkhead is A60. "A" indic...

An AC diesel-electric drive ship with synchronous propulsion motors has the capability for power factor correction. If ...

Referring to the illustrated motor ship freshwater cooling system drawing, what statement is true concerning the turboc...

You are conducting a training session on how to parallel alternators manually. What delivery technique would be most ef...

From which of the areas listed are condensate drains normally collected and returned to the low-pressure drain system?

The time between injection and ignition of the fuel is known as __________.

What type of air seal is used in the sump and turbine areas of a gas turbine engine?

Which extinguishing agent is the best for use on electrical fires?

An AC diesel-electric drive ship with synchronous propulsion motors has the capability for power factor correction. If ...

In attempting to start the hydraulic pump drive motor of a horizontal electro-hydraulic anchor windlass, what condition...

Before training is to be planned for, it is necessary to conduct a training needs analysis. What would be the best sour...

Which of the listed systems would be a potential source for the high-pressure drain system?

Fuel combustion in a diesel engine cylinder should begin just before the piston reaches top dead center and should ____...

What type of seal is used in the gearbox of a gas turbine engine?

The most common cooling agent used for fighting fires on tank vessels is __________.

Power conversion for use in DC propulsion drive motors is accomplished by what type of converter?

A horizontal electro-mechanical anchor windlass is equipped with two warping heads, two wildcats, two manual brake hand...

A very large crude carrier is scheduled to depart of the Port of Long Beach, CA at 0800 on June 28th on a voyage to exc...

The minimum temperature requirements for fuel oil in storage tanks is related to the _________.

Heavy fuel oils generally have an upper average ash content of 0.1% by weight. Which of the following conditions could ...

When preparing to light off a cold boiler equipped with a return flow fuel oil system, the recirculating valve directs ...

A three inch overboard discharge line, located six feet below the waterline, has ruptured and separated from the hull. ...

While standing an "at sea watch" onboard a modern rectified DC diesel-electric drive ship you notice the transformer co...

As it pertains to raising and lowering an anchor with a horizontal electro-hydraulic or electro-mechanical anchor windl...

As a management level engineering officer on a motor vessel equipped with engines capable of burning both high sulfur c...

The BTU value of fuel oil is determined by a/an __________.

In the device shown in the illustration, the component lettered "A" is the __________. Illustration MO-0012

Boyle's law can best be defined as _________.

During an inspection of a ships storeroom, you find sealed containers of chemicals labeled "potassium bicarbonate" and ...

A fuse is the most common type of protection against a short-circuit fault in LV distribution circuits, motor circuits ...

What statement is true concerning the door interlock devices associated with a winding drum or traction drive passenger...

When transitioning from full sea speed to maneuvering speed on a slow-speed diesel-powered motor vessel featuring a dir...

Generally, a 12% to 14% content of carbon dioxide in boiler flue gases indicates __________.

When changing over from residual to distillate fuel on a slow-speed diesel propelled vessel, you should limit the rate ...

A gas turbine that has a regenerator between the compression and combustion sections in which exhaust gas heat energy i...

Which portable fire extinguisher is normally recharged in a shore facility?

How are fuses usually rated?

As it pertains to the luffing motion limits associated with an electro-hydraulic cargo-handling pedestal-type deck cran...

There are many tasks to carry out prior to and during bunkering. What is the best way to insure no task is missed?

When burning fuel oil in a boiler, a high CO2 content is desired in the stack gas because __________.

In pre-treating fuel oil on a motor vessel, what would you consider the most important factor to prevent high temperatu...

What type of gas turbine cycle configuration is shown in the illustration? Illustration GT-0026

Which of the listed characteristics applies to a semi-portable CO2 system?

As shown in the illustration, which of the following pieces of equipment is supplied with a circuit breaker providing b...

Which capstan drive arrangement requires a flexible coupling between the reduction gear output shaft and the capstan he...

Which of the following statements represents the acceptable practice to follow to prevent mixing of potentially incompa...

The absence of carbon monoxide in the flue gas of a boiler indicates __________.

From the graph shown in the illustration, if the separating temperature required is to be 167°F, and the specific gravi...

In a regenerative or recuperative gas turbine cycle configuration, the heat of the turbine exhaust gas is used to do wh...

Water applied as a "fog" can be more effective than water applied as a "solid stream", because __________.

What is the basic principle of operation by which a transformer works?

A hydraulic system flow control circuit is shown in the illustration and is known as a __________. Illustration GS-0105

When performing mariner competency assessment onboard a vessel, as an assessor you must be mindful of the potential inf...

Fuel oil is transferred to the settling tanks for __________.

When tightening the lock ring "G" of the device shown in the illustration, two events are simultaneously accomplished. ...

To prevent overheating of the illustrated turbine blade, which of the following fluids is circulated through it via the...

A low velocity fog applicator is held in an all-purpose nozzle by a bayonet joint. The applicator is prevented from rot...

How are power transformers rated?

In order for the hydraulic pump installed in a constant flow system to maintain adequate flow, the pump suction should ...

What is the critical first step that must be carried out before executing a plan?

Which of the pumps listed takes fuel oil suction from the double bottom tanks and discharges it to the settling tanks?

As shown in the illustration, which of the following conditions would be responsible for a "low-pressure in oil outlet"...

Assuming you maintain the same power output, how will a decrease in the compressor inlet air temperature effect a gas t...

Why is it essential to introduce CO2 from a fixed fire extinguishing system, into a large engine room, as quickly as po...

As shown in the illustration, which electrical symbol represents a PNP type bipolar junction transistor? Illustration E...

A hydraulic system flow control circuit is shown in the illustration and is known as a __________. Illustration GS-0106

It has been demonstrated that delegation can enhance employee development. To avoid a fear of failure, what must a mana...

Compared to the return flow oil burner system, an internally mixed steam atomizer requires __________.

While operating the fuel oil centrifuge shown in the illustration, the fuel oil is being continuously ejected with the ...

On a gas turbine engine, a high outside air temperature can cause high turbine inlet temperature, low mass/weight of ai...

Actuating the fixed CO2 system should cause the automatic shutdown of the __________.

As shown in figure "A" of the illustration, what is true concerning the illustrated frequency response curve? Illustrat...

When new piping sections have been fabricated for installation in a hydraulic system, prior to installation the piping ...

What is usually the first step in trying to resolve a beef or a dispute brought up by a crew member?

In an air register assembly, the majority of air passes through the __________.

While operating the fuel oil centrifuge shown in the illustration, the bowl fails to open for sludge ejection. The prob...

What is the designed compressor pressure ratio of the gas turbine compressor rotor shown in the illustration? Illustrat...

Your ship has a low-pressure carbon dioxide system that covers the engine room. Fire has been reported in the engine ro...

What is the functional purpose of a heat sink, as frequently used with transistors?

Before doing any work on a hydraulic system equipped with accumulators, you should __________.

In the event of a marine casualty, as a chief engineer what document would be considered a voyage record and must be ma...

If the temperature of the fuel oil entering an atomizer is too low, the burner will __________.

Which of the following conditions would be the most probable cause for the 'low oil temperature after preheater' LED in...

How many lube oil sumps are installed on the marine gas turbine engine shown in the illustration? Illustration GT-0024

While in the engine control room you smell smoke and see it coming from the vent in the main switchboard panel. Which o...

What do the devices labeled "L" in Panel 2 of the illustrated switchboard represent? Illustration EL-0003

After installing a new hydraulic pump in a system, what special attention should be given to the hydraulic system?

While a vessel is underway in periodically unmanned engine room status, the oily-water separator is undergoing extensiv...

Which of the conditions listed can cause the flame of a mechanically atomized burner to be blown away from the burner t...

Differential needle valves used in fuel injectors are directly closed by __________.

How is the lube oil supplied to each bearing in a gas turbine engine controlled?

The most important characteristic of a fire extinguishing agent to be used on electrical fires is for the agent to be _...

As shown in the illustrated switchboard, what is the function of the switch labeled "PFM Sel. Sw."? Illustration EL-000...

If you attempt to tighten a leaking hydraulic fitting with pressure on the system, you will __________.

You are installing a new refrigeration system aboard your vessel. The system comes with a 240 psi rupture disk, a safet...

The rate of fouling on the oil side of a fuel oil heater is inversely related to the __________.

The amount of fuel delivered by a unit injector is controlled by the __________.

The electrostatic vent fog precipitator removes oil mist from which of the following areas?

As an engineer on a tanker, how would you direct the fire team to combat a large cargo space fire?

What should be done when performing maintenance of circuit breaker contacts?

A hydraulic cylinder is fitted with a cushioning device. The piston abruptly slows towards the end of its stroke, then ...

Overcurrent protection for steering gear systems circuits that power alternating current motors must have an instantane...

Testing boiler water for chloride content will indicate the amount of __________.

The component shown in the illustration would be identified as a/an ______. Illustration MO-0097

Which of the following is the most probable cause for the sump oil to be excessively aerated on an aeroderivative main ...

The longer an oil fire is permitted to burn, the __________.

Which of the listed classes of electrical insulation is suited for the highest operating temperature?

A hydraulic system gear pump being fed from a reservoir frequently indicates signs of excessive pitting after two month...

In accordance with the international MARPOL Annex VI regulations, what is the minimum allowable flue gas outlet tempera...

When a boiler water test indicates a pH value of 6, you should __________.

Because of the close tolerances used in diesel engine fuel oil pumps, a worn plunger requires __________.

The main fuel control module used on a marine gas turbine engine as shown in the illustration, is responsible for manag...

Your vessel is carrying a cargo of Ethyl methacrylate, which has caught fire. Which extinguishing agents should be used...

If a digital multimeter is set up as shown in figure "A" of the illustration, what would be displayed on the screen if ...

If a radial piston hydraulic pump fails to deliver rated fluid volume, the cause can be __________.

Resonant vibrations, which can cause machinery failure, occur when which of the following conditions happen?

Carbon dioxide dissolved in boiler water is dangerous in a modern power boiler because the gas __________.

You are testing a closed fuel injection nozzle using a nozzle tester. A pressure slightly less than design valve openin...

The fuel oil back pressure regulator on the fuel system shown in the illustration, returns fuel to which of the followi...

As chief engineer sailing aboard chemical tankers you frequently review the best practices regarding firefighting durin...

To test fuses in an energized circuit, what testing apparatus or meter should be used?

In a forced-feed lubrication system, what statement is true concerning lube oil reservoir/sump residence time?

If it is desired to perform a thermographic analysis of new equipment to gain a thermal signature for purposes of compa...

A malfunction in the DC heater is indicated by __________.

Poor combustion in a diesel engine can be caused by __________.

A fuel analysis report for a gas turbine propelled vessel indicates a calcium level in excess of 0.5 ppm. High calcium ...

One of the main concerns when fighting a galley fire is __________.

In the lighting distribution circuit shown in the illustrated lighting panel L110 of the illustration, if all circuit b...

On a bearing using an oiling ring as a means of static oil feed, how often should the bottom of the bearing sump be dra...

What type of maintenance system would be associated with accomplishing maintenance after a machinery breakdown?

In a boiler automation system, if a burner fuel oil solenoid valve continually trips closed under normal steaming condi...

Injection lag in a diesel engine may be caused by __________.

What does the term "lock-out" of a synchro-self-shifting (SSS) clutch system mean? Illustration GT-0018

As first engineer you are the senior engineering officer in Emergency Squad #1. The fire alarm sounds and you report to...

As shown in figure "A" of the illustration, what type of converter unit is represented? Illustration EL-0240

If the bearings of a piece of machinery are fed by a gravity feed lubricating oil system, what statement is true concer...

Which of the following would be a positive outcome associated with performing a trend analysis of data acquired from lu...

If an automatically fired burner ignites, but repeatedly goes out within two seconds, the cause could be a/an _________...

High firing pressures and a low exhaust temperature in a diesel engine may result from __________.

The purpose of the main reduction gear in a marine gas turbine propulsion installation is which of the following?

According to Coast Guard Regulations (46 CFR 30), a flammable liquid with a Reid vapor pressure of 8-1/2 psi or less, a...

As shown in figure "B" of the illustrated function block for a PLC PID controller, what input is the actual analog sign...

Which of the following lube oil filters would be considered acceptable for use with today's high detergent additive typ...

As a management level engineering officer, you are apt to be the primary investigator investigating the root cause of t...

While underway, the boiler water level in a steaming boiler begins dropping rapidly and cannot be kept at the normal le...

The circuit shown in the illustration represents a/an __________. Illustration MO-0115

The main thrust bearing directly positions which part(s) of the main reduction gear?

By definition, combustible liquids are liquids which __________.

As shown in figures "A", "B", and "C" of the illustration, what is the purpose of the differential amplifier segment of...

Which of the filter/strainer units listed permits you to clean the element while leaving the system on the line?

Alkylbenzene ISO 32 cSt synthetic refrigerant oil is miscible and suitable to use with which of the following refrigera...

After restoring the normal water level in a boiler following a high-water casualty, you should __________.

Which of the following statements describes the primary reason for the device shown in the illustration to be incorpora...

Gear backlash is best described as which of the following?

If diesel fuel vapors in a compartment are considered to be within the flammable range __________.

The conversion of the throttle command voltage to the signal necessary to achieve the desired shaft RPM is accomplished...

The function of item "7" shown in the illustration is to __________. Illustration GS-0153

When one belt of a multiple V-belt drive requires replacing, what will be required?

In the event of a failure of the pneumatic control system, a multi-element feedwater regulator is designed to operate a...

The pneumatic circuit shown in the illustration is part of a complex large low-speed engine control system. Which of th...

The buildup of contamination in a gas turbine will cause all of the following conditions EXCEPT which of the following?

Tankers carrying cryogenic cargoes, such as LNG, are fitted with gas detector systems alarmed at 30% of the lower explo...

You have installed a Zener diode in parallel with a load. While measuring the voltage across the Zener diode it is foun...

The components indicated as "7" and "8" as shown in the illustration, are known as the __________. Illustration GS-0153

Which of the conditions listed could cause excessively low refrigerant pressure at the compressor suction of a TXV cont...

Which of the following statements is true concerning boiler inspections?

Clearance volume scavenging in a turbocharged, four-stroke cycle diesel engine is accomplished __________.

On a gas turbine powered vessel, what is the last step after an off-line water wash?

Span gas is used aboard liquefied natural gas carriers to __________.

What is the name of the device shown in figure "1" of the illustration? Illustration EL-0068

The component labeled "A", as shown in the illustration, would be identified as the __________. Illustration GS-0175

To prevent motor overload during start-up of a hermetically sealed centrifugal refrigeration system, what is true conce...

In accordance with 46 CFR Subchapter F (Marine Engineering), which of the following statements is true concerning the i...

The diesel engine shown in the illustration is provided with an auxiliary blower to __________. Illustration MO- 0003

How do you gain access to the burner units of a can-annular combustor to perform maintenance?

Petroleum vapors are dangerous __________.

When troubleshooting a printed circuit board, one technique that can be used is swapping the suspected damaged board wi...

Referring to the illustration, suppose after initiating the oil discharge mode, the oily-water separator fails to come ...

If it is necessary to increase the operating head pressure of the refrigeration system using the device shown in the il...

The safety valve nominal size for propulsion boilers and superheaters must be not less than 1 1/2 inches and not more t...

A sudden power loss from a turbocharged and aftercooled diesel engine is an indication of a/an __________.

What are the two prime sources of deposits that build up on compressor blades?

The atmosphere of an empty fuel tank is tested and designated "gas free". Which of the following statements is correct ...

When troubleshooting a printed circuit board, one technique that can be used is component substitution. Upon what basis...

If item "1" in the illustrated oily-water separator indicates an abnormally deep vacuum, which of the following conditi...

The rupture disc on a low-pressure centrifugal refrigeration unit is used as an overpressure protection device and is s...

The astern element of a main propulsion turbine is usually designed as a/an __________.

The device shown in the illustration is used to secure the air supply to a diesel engine when the engine overspeeds. In...

To manually rotate the GE LM2500 gas turbine engine, you should use which of the following tools?

As listed on a Safety Data Sheet (SDS), what is a liquid called that is having a flash point below 199.4°F (93°C)?

Suppose it is desired to determine the integrity of the insulation of a 4160 VAC motor. What type of insulation resista...

What is the length of the stud used to secure the packing gland shown in the illustration? Illustration GS-0012

The coil temperature measured at the expansion valve sensing bulb of an operating system is 10°F. The low side pressure...

The labyrinth seals used on rotating steam turbine shafts reduces external leakage by causing __________.

A propulsion engine, using the speed control circuit shown in the illustration, fails to function at speeds lower than ...

You are preparing for a borescope inspection of an LM2500 gas turbine engine. You are reviewing the correct geometric o...

With regards to a ship's Oil Record Book, an oil tanker of 150 gross tons and above must maintain entries in ________.

For the purposes of shipboard practice, voltages above what threshold would be considered high voltage?

In the illustration shown, an efficient seal is maintained between the suction cover and the volute by __________. Illu...

When replacing a thermostatic expansion valve power element, what is true concerning the thermal bulb?

After properly lining up the main propulsion turbine for warm up, steam should first be admitted to the rotor through t...

As the load is being decreased on the engine controlled by the governor shown in the illustration, the __________. Illu...

On a GE LM2500 gas turbine powered vessel you are conducting a borescope inspection of the compressor. What is used on ...

Coast Guard regulations require a shipboard oil pollution emergency plan to be reviewed __________.

When a high voltage system insulation test value is suspect or recorded during an annual survey, a polarization index t...

Which of the tolerances listed is allowed on the outside diameter of the bushing illustrated? Illustration GS- 0017

Which of the following conditions will occur if the power element of the thermostatic expansion valve shown in the illu...

What must you do before placing the jacking gear in operation on a main turbine unit?

In the illustrated auxiliary diesel engine governor, decreasing the distance between piece 6 and piece 10 will affect t...

Active corrosion on copper alloys is indicated by which of the following?

Which of the following statements is true concerning the overboard discharge of vessel sewage at sea?

Before work may safely commence on a high voltage system, what must first be done after disconnection and isolation?

Dimension "X" indicated on the architects scale, shown in the illustration, will be equal to __________. Illustration G...

If the superheat value of the thermostatic expansion valve is adjusted too high, what would be the result?

A common cause of the Babbitt linings cracking in a turbine journal bearing is from ________.

A schematic diagram of an isochronous hydraulic governor is shown in the illustration. When the load is removed the spe...

A reddish-colored oxide usually forms on which of the following metals?

You are providing onboard training to your engineers on the factors affecting trim and stability. What instructions do ...

Overheating is suspected in a high voltage bolted bus-bar joint. If the local continuity resistance is to be checked of...

The type of thread illustrated is a/an __________. Illustration GS-0038

If increasing the cooling water flow to a refrigeration condenser fails to lower the condenser pressure, the probable c...

If the main propulsion turbine begins to vibrate severely while you are increasing speed, you should __________.

A diesel-generator governor is hunting. After changing the oil, the governor is flushed and the compensation needle val...

Cadmium and zinc coatings provide which of the following type of protection for the base metal?

Your vessel was damaged in a collision and one compartment has partially flooded. The vessel has free communication wit...

For troubleshooting purposes, the key indicator to the safety and general condition of high voltage circuitry is insula...

What type of propeller consists of a flat disc set flush with the under surface of the vessel's hull with a number of v...

Technicians servicing small refrigeration appliances can employ what type of recovery equipment?

The main propulsion turbine can be damaged by __________.

The most common contaminate of governor hydraulic fluid is __________.

You are conducting a borescope inspection of the compressor section of a GE LM2500 gas turbine. In stage four, you see ...

As chief engineer you should understand the concept of loll and its cause. An angle of loll is commonly caused by which...

Modern ships use multiple computers arranged in a client/server network to perform various shipboard functions. What ty...

Which of the following propulsor types represents the proper terminology for electric propulsion where the drive motors...

Minor repairs may be performed on low-pressure refrigerant systems without recovering the refrigerant charge if the pre...

The turbine of a turbo-electric drive should be secured by __________.

Governor hunting is caused by __________.

Compressor tip clang can be usually attributed to which of the following operating conditions?

After transferring a weight forward on a vessel, the draft at the center of flotation will __________.

What statement is true concerning random access memory (RAM)?

When an electricity generating plant features shaft-driven generators, what type of propulsor is generally used for mai...

When a refrigeration system is being topped off with a small amount of refrigerant through the low side with the compre...

Which of the listed parts illustrated in the turbo-generator governing system, provides the follow-up to prevent the no...

Which of the automatic boiler controls listed should be tested prior to lighting off an auxiliary boiler?

A compressor blade platform that is tilted or raised may indicate which of the following failures?

A vessel's center of gravity is lowered when the __________.

If a computer display is flickering, how may this be remedied?

With respect to a "tractor" type azimuthing thruster, what statement is true?

Charging liquid HCFC-123 into a system under a deep vacuum could cause what to happen unless necessary precautions are ...

An excess pressure governor would normally be used on a __________.

When preparing to light off a cold boiler equipped with a return flow fuel oil system, the recirculating valve directs ...

When tip clang takes place on a gas turbine engine, the major damage occurs to what area of the blade?

When a vessel is inclined, the tendency for it to return to its original position is caused by the __________.

What would be considered the first line of defense in trying to prevent the build-up of dust on printed circuit boards ...

What statement represents the fundamental difference between an azimuthing thruster and a podded propulsor?

Overfilling a refrigerant container is extremely dangerous because of the high pressures generated. The generation of p...

A sequential lift, nozzle valve control bar on a turbo-generator, utilizes which of the following operating principles?

In the water level electrode assembly, shown in the illustration, the feed pump should restart when the level of the wa...

Distortion of the combustor liner assembly is evident when you observe which of the following conditions?

While serving as chief engineer on a partially loaded containership the vessel is involved in a collision. An empty sta...

What is the name of a TCP/IP application run from the command prompt that sends datagrams once every second in the hope...

Of the following propulsion modes, which one would operate with a geared-drive featuring a double reduction?

Why can CFC or HCFC refrigerants leaking into a confined space or in limited surroundings cause suffocation?

Oil supply pressure to the main lube oil header of a gravity feed lube oil system is __________.

With which of the following types of diesel engine arrangements is a waste heat boiler most likely to produce the maxim...

While underway on a ship with gas turbine engines, the most likely indication of an engine stall is which of the follow...

The difference between the initial trim of a vessel and the trim after a change in load has occurred is known as ______...

A very useful Windows utility for discovering or verifying IP addressing information of a network is "ipconfig". How is...

Concerning main propulsion reduction gears, what statement is true?

What is the purpose of running a refrigeration compressor in short intermittent spurts or throttling the suction isolat...

In the illustrated device, what would be a reason for oil being discharged from port "N"? Illustration GS-0124

In general, diesel engine waste heat boiler construction is usually of the _________.

How many stages are in the HP turbine of the GE LM2500 gas turbine engine?

Adverse effects due to free surface will result when __________.

As shown in the illustration, what is the magnetic phase differential in degrees between the reference signal magnetic ...

If a main propulsion shafting arrangement is such that a strut and strut bearing is required, what is the name of the s...

When starting a reciprocating refrigeration compressor that has been shut down for a period of time, you should manuall...

While underway on a steam ship, the engineer on watch reports a loss of oil flow in the oil head tank bull's eye. Which...

A photoelectric cell installed in an automatically fired auxiliary boiler burner management system __________.

The power turbine (PT) of the GE LM2500 gas turbine engine has a total of how many stages?

You can generally improve the vessel's stability in a hazardous situation by __________.

According to the liquid crystal data display for the depth sounder shown in the illustration, what is the instantaneous...

What statement is true concerning the arrangement of line shaft bearing housings?

In general, the thermal bulb for a thermal expansion valve used in a reciprocating air conditioning system is usually c...

When a sudden increase in pressure occurs in a forced lubrication system, you should check for a __________.

During unsafe firing conditions in a large automatic auxiliary boiler, various control actuators are interlocked with t...

The struts of the compressor front frame provide passages for all of the following mediums EXCEPT for which of the foll...

Pitching is the rising and falling motion of the bow of a ship oscillating about which axis?

Using the trouble analysis chart and faults table provided in the illustration, if the gyrocompass was malfunctioning, ...

Which type of Marine Sanitation Device (MSD) is used solely for the storage of sewage and flushwater at ambient air pres...

A room humidistat initiates the lowering of the humidity of the conditioned supply air to a space, while the actual pro...

Water retained in the lube oil system of a main propulsion turbine installation is undesirable because it __________.

A variable capacity, pressure atomizing, fuel oil burner functions to __________.

What type of combustor is used by the GE LM2500 gas turbine engine?

Coast Guard Regulations (46 CFR) require that life jackets shall be __________.

As shown in the illustrated adaptive digital steering control system functional block diagram and listed system interfa...

Marine sanitation devices installed on vessels must be certified by the __________.

Which of the following is true concerning the class "D" air conditioning system shown in the following illustration? Il...

A cloudy or milky appearing lube oil sample, taken from the main lubricating oil system could be caused by __________.

A safety valve on an auxiliary boiler simmers constantly and cannot be stopped by several quick blow-offs using the han...

In order to get a ready indication for a normal start with a GE LM2500 marine gas turbine, what permissive(s) must be m...

Pollution Prevention Regulations (33 CFR) specify that the person in charge of bunkering is responsible for the _______...

As shown in the illustration, if the port propulsion motor field excitation circuit experienced a failure, what individ...

Coast Guard regulations concerning marine sanitation devices may be found in __________.

When pumping down an air conditioning system to test the low-pressure cutout switch, assuming that the compressor is ru...

In the diagrammatic arrangement of the thrust bearing, shown in the illustration, the direction of shaft rotation and th...

Heavy soot accumulations in an auxiliary boiler could be caused by __________.

As shown in the illustration, the HP turbine 2nd stage blades are cooled by convection, with the cooling air being disc...

As chief engineer on a vessel, you and the first engineer are planning a welding job in the cargo-hold. How would you e...

Upon failure of the normal power supply, how is the emergency generator placed on the line to feed power to the emergenc...

In the illustrated schematic, which component is the device that was used to replace the six-way valve, as found on many...

While securing the air conditioning compressor you close the suction valve and the compressor stops after a short period...

Which of the following operational practices is helpful in avoiding the accumulation of condensate in the main reduction...

If a crankcase explosion due to a hot spot were to occur, the size of the explosion is dependent on which of the follow...

In the marine gas turbine engine shown in the illustration, the 13th stage bleed air is used for __________. Illustrati...

As first engineer, you are standing by the #3 deep fuel oil storage tank as a crew member is working inside the tank. B...

Under unusual circumstances, it may be required to operate a ship's service generator above its rated kV

When the helm angle position is changed, the series of corresponding events of the steering gear will include __________...

What could cause a lower efficiency and a higher bypass factor for an air conditioning cooling coil?

Which immediate action should you take when the temperature of one line shaft bearing increases above its normal operati...

If a scavenging air space fire occurs on a slow-speed diesel engine and the engine is stopped, which of the following sh...

On a ship with a marine gas turbine as shown in the illustration, a fire emergency stop is initiated when __________. I...

Which of the following statements is true regarding oxygen indicators?

What is the minimum threshold voltage which requires electrical workers to be insulated from energized conductors or cir...

A command signal input to the steering gear has initiated rudder movement for 20° right rudder. The follow-up mechanism ...

If you find the pressure of a refrigeration system containing a Class I or Class II refrigerant to be opened for the acc...

If a line shaft bearing begins to overheat, the shaft speed should be reduced. If overheating persists, you should then ...

In accordance with 46 CFR Subchapter J, which of the listed starting aids is acceptable for use with the emergency diese...

Which of the following is the most likely cause for the main propulsion gas turbine engine tripping during start up?

When taking samples of a tank atmosphere with an explosimeter, you should __________.

Before any work on electrical or electronic equipment is performed, which of the following precautions should be carried...