OSE01 - Chief Engineer - OSV

You are assigned to an OSV fitted with main propulsion diesel engines operating on the cycle represented in the polar t...

In a closed-loop process control system, what term is used to describe the progressive reduction or suppression of osci...

Which of the methods shown in the illustration is the correct way to fit shoring? Illustration SF-0016

What are the operational characteristics of the two alternators with the speed droop curves shown in figure "A" of the ...

You are assigned to an OSV fitted with main propulsion diesel engines operating on the cycle represented in the polar t...

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

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

Two AC generators of the same capacity are operating in parallel. One with a zero-speed droop setting and the other wit...

You are assigned as an engineer on an anchor handling vessel using main propulsion engines of the type shown in the ill...

A hydraulic fluid flow control circuit, controlling linear actuator speed, with the pump operating below maximum operat...

Your ship has run aground and it is necessary to determine whether or not a compartment has flooded. Therefore, you sho...

What is the correct methodology to prevent shaft currents in an alternator?

You are in the process of setting up a system for collecting engine data for trend analysis for the main propulsion eng...

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

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

To prevent shaft currents in an alternator, the outboard bearing shell or outboard bearing pedestal is insulated. If th...

You are analyzing the data used for trend analysis for one of the main propulsion diesel engines on the OSV to which yo...

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

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

As shown in the illustrated diagnostic setup for locating a shorted field coil of a ten-pole salient pole alternator, i...

You are about to perform valve stem to rocker arm clearance adjustments on an auxiliary diesel engine onboard your offs...

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

If the survival craft is not loaded to full capacity, the personnel should be __________.

As shown in the alternator protection scheme diagram, what device provides the input to the overcurrent inverse time re...

When checking the valve stem to rocker arm clearances on an auxiliary diesel engine onboard your OSV, which of the foll...

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

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

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

An engine that runs rough may indicate a misfiring cylinder. Various techniques associated with disabling the injectors...

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

Which of the following statements concerning immersion suits is correct?

Utilizing the instructions and data provided in the illustration, what size overload relay heater would be the proper s...

An engine that emits black smoke through the stack may indicate a misfiring cylinder. Assume that the auxiliary diesel ...

Lint from cleaning rags can be harmful to hydraulic systems because the lint __________.

Puncture leaks in the lower tubes, or bottom of an inflatable life raft should first be stopped by using __________.

A three-phase, induction-type motor experiences an open in one phase. Which of the listed automatic protective devices ...

The main engines on your offshore supply vessel utilize a starting system similar to that shown in the illustration. Wh...

How can the chance of contaminating hydraulic fluid be decreased when working on hydraulic systems?

Prior to entering a compartment containing an atmosphere potentially dangerous to life or health and deficient in oxyge...

Which of the following statements is true concerning the cleaning of electrical contacts?

The lube oil quality management system used on your general-purpose supply vessel requires on board testing of lubricat...

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

A self-righting survival craft will return to an upright position provided that all personnel __________.

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

When interpreting the engine lube oil supply header pressures for the main engines on your OSV, what statement is true ...

Which of the following problems may be encountered by using an oil having a viscosity higher than that specified for an...

With the sprinkler system and air system on, and all hatches shut, the survival craft will be protected from __________...

If many turns of an operating coil of an AC contactor become short-circuited, in terms of the coil, what is the likely ...

The diesel fuels burned in auxiliary and main diesel engines of offshore supply vessels serving drilling platforms are ...

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

Which of the lifeboat parts listed must be painted bright red?

If the motor of the illustrated circuit fails to start and gives a loud hum when the start button is pushed, what is mo...

Concerning the diesel fuels used for the auxiliary and main propulsion diesel engines on-board the offshore supply vess...

If the pump in a hydraulic system produces a low rumbling noise while in operation, this is a probable indication of __...

The purpose of the four water pockets located on the underside of a life raft, is to _________.

Which of the following is a disadvantage of electric drive propulsion systems?

The manufacturer of the diesel generator set drive engines used aboard your anchor-handling supply vessel recommends th...

The line labeled "C", as shown in the illustration, would be identified as the ______. Illustration GS-0175

A fire, occurring in the windings, of an overloaded electrical motor, is considered a __________.

As shown in figure "B" of the illustration, what statement is true concerning "regenerating" operation? Illustration EL...

Which offshore supply boat diesel fuel oil day tank condition would be most likely to result in water contaminated fuel...

Referring to the illustration, suppose while in the oil separation processing mode, the oil content detector display sc...

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

How is the direction of rotation of the main propulsion motor in a modern AC propulsion drive system reversed?

You suspect that a diesel generator set on your general-purpose offshore supply vessel has a defective unit injector be...

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

All of the following are part of the fire triangle EXCEPT __________.

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

You suspect that a diesel generator set on your offshore supply boat has a misfiring cylinder because the engine, altho...

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

The upper explosive limit (UEL) of a mixture of flammable vapors and air is defined as __________.

Referring to the illustration of a DC diesel-electric drive system, what type of DC propulsion motors are used? Illustr...

The diesel engines on your anchor-handling supply vessel are all protected with dry-type air filters. When changing fil...

In the pump shown in the illustration, what is the distance from the bottom of the inlet to the bottom end of the motor...

As chief engineer, you are discussing fire safety with a new unlicensed crew member. What would you expect the crew mem...

How is speed control of a DC propulsion motor accomplished?

The turbocharged, four-stroke, diesel generator set drive engines on your OSV are protected with dry-type air intake fi...

Of the views labeled "1", "2", "3", and "4", select the one that correctly represents the right side view of the unnumb...

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

Refer to the two-generator, two-motor, DC diesel-electric drive propulsion system simplified schematic shown in the ill...

A diesel engine on your platform supply vessel has a restricted exhaust silencer/muffler resulting in high exhaust back...

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

Your ship is leaving port after almost a complete crew change out. The captain has ordered a fire drill simulating a fi...

Due to the operating characteristics of the system, time lag fuses (or dual-element fuses) are necessary for use in wha...

A main propulsion diesel engine on your anchor-handling supply vessel produces gray to black smoke under virtually all ...

What will happen if oil under pressure is supplied to the area noted as "N" on the vane in the illustration?

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

When the operating handle of a molded-case circuit breaker is in the mid-position, what does this indicate?

The freshwater cooling systems serving the main engines on your general-purpose supply vessel are arranged as shown in ...

Referring to the device shown in the illustration, which statement is TRUE in regard to what happens when the rudder st...

Which of the following procedures reduces the possibility of an interior ventilation duct fire from rapidly spreading?

What is the purpose of the device labeled "Man-Auto Sw." in the illustrated switchboard? Illustration EL-0003

The freshwater cooling systems serving the main engines on your OSV are arranged as shown in the illustration. If the f...

Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?

The most likely location for a liquid cargo fire to occur on a tanker would be __________.

Why is it necessary to perform periodic testing of correctly rated and properly installed circuit breakers?

You are inspecting the blower of a Roots-blown, two-stroke cycle main propulsion engine on the anchor- handling supply v...

In accordance with 46 CFR Subchapter I (Cargo and Miscellaneous Vessels), it is the duty of the chief engineer to acqui...

In accordance with 46 CFR Part 109, the Muster List ("Station Bill") shows each crew lifeboat station, their duties dur...

Which of the following procedures should be used to maintain a large electric motor during periods of inactivity?

A turbocharged, two-stroke cycle main propulsion diesel engine on your offshore supply vessel is emitting gray to black...

Where would you find a list of the firefighting equipment required on your vessel?

When required to work in an area where explosive gases may accumulate, you should use hand tools which are _________.

As shown in figures "B" and "C" of the illustration, what should be the switch position and which test lead terminal ja...

The offshore supply vessel to which you are assigned is fitted with reversing reduction gears equipped with airflex pne...

A 'Proportional Only' controlled automatic process loop is oscillating continually, above and below the setpoint. To st...

The state of charge of a stored pressure type dry chemical fire extinguisher can be readily determined by __________.

A resistance in a circuit of unknown value is to be tested using the voltmeter/ammeter method. How should the two meter...

The anchor-handling vessel to which you are assigned is fitted with reversing reduction gears equipped with airflex pne...

While calibrating a 4-20 mA electronic, or a 3-15 psi pneumatic controller, with a process output of 50-250 psi, what i...

The physical difference of the water spray patterns developed by the high velocity tip and low velocity applicator is d...

As shown in figure "D" of the illustrated digital power meter, what type of single-phase load is under test for power m...

The anchor-handling supply boat to which you are assigned is fitted with a totally pneumatic propulsion control system ...

The gas that exists in the stratosphere forming a protective shield that helps to protect the environment from the harm...

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

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

The offshore supply vessel to which you are assigned is fitted with a totally pneumatic propulsion control system as sh...

Which of the fluids listed is NOT suitable for use as a secondary refrigerant?

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

How should the shunt used in an ammeter be connected?

The rated speed of the main propulsion diesel engines on your offshore supply vessel is 900 rpm. The installed centrifu...

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

When an oil fire has been extinguished, the surface of the oil should be kept covered with foam to prevent __________.

In what situation would an electrical phase sequence indicator be useful?

A main engine on your general-purpose supply vessel has experienced a low coolant water level alarm even though the wat...

If a refrigeration system, equipped with a reciprocating compressor, has a liquid-line solenoid valve that is leaking d...

What would be a major consequence of allowing the refrigeration system of a low-pressure fixed CO2 fire extinguishing s...

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

You are preparing to change the oil of the speed control governor on one of the main propulsion diesel engines on your ...

Which of the following statements describes the accepted method for testing a thermostatic expansion valve?

The principal personnel hazard unique to Halon fire extinguishers is _________.

Which of the following electrical schematic symbols represents a normally closed flow switch? Illustration EL- 0059

The diesel generator on service on your anchor-handling supply vessel is undergoing cyclic, rhythmic variations in spee...

Of the various possible methods shown in the illustration, which is the correct method of attaching a TXV feeler bulb t...

The primary function of an automatic sprinkler system is to __________.

What is the maximum current allowed to be drawn from the secondary of a 2 kVA step-down transformer with a turns ratio ...

What would be the most practical and efficient way of removing soot deposits from the fire-sides of the tubes of an aux...

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

What will happen if a fire hose is left unattended and under pressure with the nozzle shut off?

To check the three line fuses protecting a three-phase motor using a multimeter set up as a voltmeter, what should be d...

Your general-purpose supply vessel is fitted with a coil-type, water-tube, forced-circulation auxiliary boiler. What st...

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

Which of the listed methods, is the most effective to fight a fire on the open deck of a vessel if using a dry chemical...

In addition to short circuits and sustained overloads, in what other situation are fuses likely to blow?

Your oil platform supply vessel is fitted with a two-pass, fire-tube, oil-fired auxiliary boiler. What is the most prac...

High suction pressure accompanied by low suction temperature to a refrigeration system compressor is caused by which of...

You are the engineer on a vessel with a periodically unattended machinery space. A fire has been reported in the engine...

In order to definitively determine whether or not fuse "1", shown in the illustration is blown using an on-line testing...

While on deck, you are observing the stack of an oil-fired auxiliary boiler installed on your general-purpose supply ve...

What is true concerning highly contaminated refrigerant recovered from burned out small appliances?

You notice smoke coming from an open laundry room doorway, which smells like electrical insulation. After activating th...

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

Due to environmental and safety concerns, the towing winch drive diesel engine cooling water system is treated with pro...

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

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

As shown in figure "C" of the illustration, what are the purposes of the coupling capacitor Cc and the bypass capacitor...

In a closed, recirculating freshwater cooling system used for the diesel-generators on your offshore supply vessel, wha...

For safe storage, the maximum allowable temperature to which refrigerant bottles should be exposed is what temperature?

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

What does section "C" of the circuit shown in the illustration function as? Illustration EL-0085

A main diesel engine on your platform supply vessel has experienced a safety shutdown due to excessive crankcase pressu...

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

When fighting a liquefied natural gas fire, you should __________.

Which of the listed devices may be used as a digital device?

You are attempting to start a deck winch drive engine fitted with an electric cranking motor where the battery electrol...

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

In the event of an exhaust duct fire, most dry chemical and carbon dioxide galley range fixed extinguishing systems are...

On a digital numerical display readout, what would be the minimum number of LED segments required to form and display a...

When rolling over a main engine on your anchor handling vessel prior to starting with the cylinder test valves open to ...

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

The "flammable limits" of an atmosphere are the __________.

In process control terminology, continuously variable values which change without distinct increments, such as temperat...

While warming up the main engines on your offshore utility vessel while tied up at your own pier, one of the main engin...

What form of communication provides the greatest information richness, which is the amount of verbal and non-verbal inf...

When preparing to pump flammable liquids with a centrifugal pump, you should __________.

Which of the listed conditions describes the effect on intrinsic semiconductor operation as a result of a temperature i...

You are assigned to an offshore supply vessel fitted with main propulsion diesel engines of the type shown in the illus...

Leadership style sometimes must change with the situation faced by the manager. Which of the following situations would...

Bunker "C" is classified as a grade __________.

What does the circuit shown in the illustration represent? Illustration EL-0091

When checking the crankcase oil level on a main propulsion engine on your offshore oil spill response vessel while unde...

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

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

What is the third color band on a resistor used to indicate?

When starting a deck winch drive engine in preparation for cargo handling operations, what parameter must be checked FI...

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

What term is listed on a Safety Data Sheet (SDS) to describe a chemical that can produce life-threatening or seriously ...

An ohmmeter used to test for front-to-back resistance of a PN junction diode should produce roughly what ratio?

Various diesel engines onboard your offshore supply vessel are started by means of either vane-type or air- turbine air-...

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

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

If a digital multimeter is set up as shown in figure "B" of the illustration to test a capacitor, what would the displa...

A diesel generator set on your anchor-handling supply vessel has a simplex lube oil strainer of the type shown in the i...

What responsibilities does a Senior Officer have while on Builder's Sea Trials of a new vessel to which one will be ass...

An LNG carrier has an approved type of gas detecting system to detect methane leaks in the __________.

What problem with a printed circuit board may resolve itself once a board is removed from its edge card connector and t...

The main propulsion diesel engines on your anchor-handling supply vessel are fitted with conventional hydraulically ope...

A vessel you are sailing on as chief engineer had its last dry-docking survey 2 years prior and is not enrolled in an u...

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

What is the most common and reliable type of circuit breaker used for high voltage practice aboard ship?

The diesel generator set drive engines on your offshore supply boat are protected with heavy-duty oil bath air cleaners...

If a vessel is to be laid up for an extended period of time with minimal utilities provided where freezing is not a con...

During fueling operations oil is detected in the water adjacent to your vessel. If however, it is determined to be from...

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

Water-jacketed exhaust manifolds as used on anchor-handling supply vessel main engines require periodic inspection of t...

In a compression type automatic grease cup, the lubricant is forced into the bearing by__________.

Where will you find the procedures for the reporting of oil discharge into the water?

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

Your platform supply vessel is fitted with cooling water systems serving the main propulsion diesel engines as shown in...

A dented race in an antifriction bearing could be caused by __________.

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

In order for a live-line tester to be used to test and prove dead a high voltage circuit, what must be done to verify t...

The turbochargers on the main propulsion engines on the OSV to which you are assigned are fitted with an exhaust inlet ...

If there is any doubt that a newly employed engine department crew member is sufficiently familiar with the engine room...

During fueling operations, which of the listed precautions should be taken when topping off fuel tanks?

Without the benefit of a specially designed enclosure window for thermographic analysis, what must be done to obtain ac...

The lubricating oil system supporting the main propulsion reduction gear on your offshore supply vessel is fitted with ...

As a first assistant or chief engineer, what is the source of your authority?

When making entries in the Oil Record Book, all quantities should be __________.

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

The pneumatic propulsion control system used on your offshore supply vessel is configured as shown in the illustration....

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

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

If an 8-bit digital to analog converter (DAC) produces an analog output voltage with a range of 10 volts (0-9 volts), w...

The main diesel propulsion engines on your offshore supply vessel are protected with a mechanical overspeed trip mechan...

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

The Oil Record Book must be maintained onboard the vessel for __________.

What Ethernet cabling technology supports the greatest data transfer speeds?

The auxiliary oil-fired water-tube steam boiler on your platform supply vessel is equipped with a water column similar ...

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

Which of the following machinery space operations is required to be logged in the Oil Record Book?

If a mechanical mouse of a computer workstation is operating erratically, what maintenance should be performed?

Due to the questionable mineral content of fresh water taken on from shore as a source of make-up water for diesel engi...

What federal agency enforces the prohibition of employment discrimination based on race, color, religion, sex, or natio...

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 concerning fuel cetane rating and the ignition delay period is true as it applies to offshore anchor han...

One of the means of alternative dispute resolution regarding a collective bargaining agreement dispute is arbitration. ...

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

What is the name of a TCP/IP application run from the command prompt which provides routing information by determining ...

The drilling platform supply vessel to which you are assigned has diesel generators fitted with unit injectors of the t...

In accordance with 33 CFR Subchapter O (Pollution), how long must the Oil Record Book be maintained on board those vess...

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

When troubleshooting the modems, network interface cards, hubs, switches, and routers of a network, what technique repr...

The offshore supply vessel to which you are assigned has diesel generators fitted with fuel injectors of the type shown...

In accordance with 46 CFR Subchapter J, which of the following electrical repairs is permitted?

What standard mathematical formula is commonly used to calculate a vessels waterplane area for stability purposes?

As shown in the illustrated block diagram for a digitized echo sounding system, what statement is true concerning the t...

The platform construction support vessel to which you are assigned has a deck winch drive engine fitted with fuel injec...

One of your ship's indirect-drive steering gear drive motors needs to be replaced. In accordance with 46 CFR Subchapter...

With no environmental forces acting on the vessel, the center of gravity of an inclined vessel is vertically aligned wi...

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

The offshore supply vessel to which you are assigned has diesel generators fitted with injectors with the operating pri...

Prior to arrival in Charleston, SC your vessel must conduct drills within 48 hours prior to entry and log that in the v...

As chief engineer of an oceangoing passenger vessel, it is important to know the effect of trim and stability of your s...

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

The freshwater cooling systems serving the main engines of your offshore supply vessel are of the type shown in the ill...

Prior to entering the navigable waters of the United States after an international voyage, your vessel must conduct dri...

According to Coast Guard Regulations (46 CFR), no vessel can come alongside or remain alongside a tank vessel while it ...

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

The auxiliary engines on the offshore supply vessel to which you are assigned are fitted with Roots-blowers as shown in...

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

According to 46 CFR, Part 30, a Grade "E" petroleum product is __________.

For the purposes of safety and determining the shock hazard, nominal voltage is defined as the normal electrical system...

The multi-purpose supply vessel to which you are assigned is fitted with main propulsion reduction gears as shown in th...

Elevated metal levels present in a recent sample of used diesel engine crankcase lubricating oil is indicative of a cond...

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

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

The oil platform supply vessel to which you are assigned has a pneumatic propulsion control system as shown in the illus...

Compatibility of fuel is easily checked onboard ship to ensure that serious problems do not result. What statement conce...

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

When a self-excited alternator's field has lost its residual magnetism due to a prolonged idle period, it will fail to ...

The platform supply vessel to which you are assigned has a pneumatic propulsion control system as shown in the illustrat...

Which of the following maintenance criteria would be the basis of planned maintenance?

The instrument shown in the illustration has not been used for several weeks. Prior to its use for testing a compartment...

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

The main engines on your anchor handling supply vessel are equipped with manual shutdown levers as shown in the illustra...

Which of the following condition-based maintenance data continuous monitoring techniques has the greatest value in predi...

The airborne concentrations of substances (such as hydrogen sulfide) under which nearly all workers may be repeatedly ex...

While underway onboard a DC diesel-electric drive ship, you notice excessive sparking of the brushes on the main propuls...