MODE01 - Chief MODU Engineer

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

The safe and efficient use of the facepiece of a self-contained breathing apparatus is directly influenced by _________...

A hydraulic flow control circuit is shown in the illustration and is known as a __________. Illustration GS-0107

Ring groove inserts are occasionally used on aluminum alloy pistons to __________.

A rigid lifesaving device designed for a group of survivors to hold on to while in the water is defined as a _______.

What is the normal direction of flow through the device shown in the illustration while operating in the processing mod...

The lower water seal on a diesel engine wet cylinder liner must allow for liner axial movement. This seal is most commo...

Which of the following statements is TRUE concerning life jackets?

As shown in the illustration, a section of standard weight, seamless steel pipe, has an external diameter of 4.0 inches...

Item #16 of the piston shown in the illustration is a/an __________. Illustration MO-0011

An immersion suit should be equipped with a/an __________.

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

Trunk type diesel engine pistons are effectively cooled when heat is __________.

An "on-load" release system on a survival craft means the cable can be released __________.

A water line ruptures under pressure and floods the engine room causing $30,000(USD) damage to the machinery. By law, t...

Why are some diesel engine cylinder liners plated on the wearing surface with porous chromium?

Using a sea anchor with the survival craft will __________.

Packing extremely soft grease into a roller bearing will cause __________.

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

Which of the following must be carried out in order to manually launch an inflatable life raft not designed for float-f...

Which of the following statements describes the characteristics of precision manufactured roller bearings?

Exhaust valve timing for the engine, shown in the illustration, is to be set at 106° after top dead center. To what pos...

You have abandoned ship and are in charge of a life raft. How much water per day should you permit each occupant to dri...

Which term represents the ability of a speed control governor to maintain prime mover speed without hunting?

After testing your medium-speed engine's exhaust valve springs you find one with a spring constant that is lower than s...

Which of the gases listed is the poisonous gas most likely to be found in a closed compartment involved in a fire?

As it pertains to a "constant-tension" mooring winch, what statement is true?

During main engine performance testing it is noticed that the firing pressure of one cylinder is higher than the averag...

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

What do hydraulically, servo-operated, automatic, change over valves, used in a two-ram hydraulic steering gear accompl...

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

The blocking open or absence of fire dampers can contribute to __________.

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

Worn cylinder head valve seats in a diesel engine will cause __________.

Burning diesel oil should be treated as which class of fire?

Overheating of a hydraulic system may be a result of __________.

Worn diesel engine intake valve guides can result in __________.

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

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

Low compression pressure in a diesel engine can be caused by __________.

A class "D" fire would involve the burning of __________.

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

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

It is necessary to cool the bulkheads and decks surrounding a compartment where there is a fire in order to __________.

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

A diesel engine emits blue exhaust smoke as a result of __________.

To prevent the spread of fire by convection you should __________.

By what means should motor controller contacts be routinely cleaned?

The intake and exhaust valves used in a diesel engine are returned to their seats by __________.

Paints and solvents used aboard a vessel should be __________.

During its operation, loud buzzing and resultant welding of contacts of a magnetic relay may occur. Which of the follow...

The valve cam slope angle determines the __________.

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

Which of the following statements is true concerning a large polyphase synchronous main propulsion motor as used in an ...

In diesel engines, hydraulic valve lifters are used to __________.

As chief engineer, you are discussing with a new third engineer the methods of fighting an engine room fire. You ask th...

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

The part labeled "G", as shown in the illustration, is a __________. Illustration MO-0040

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

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

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

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

Which of the following actions can be carried out in order to prevent thermal runaway in a transistor?

The service life of a worn aluminum piston for an auxiliary diesel, for which no spares are readily available, can be e...

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

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

If an auxiliary diesel engine equipped with an electric starting system cranks very slowly after repeated attempts to s...

One of the disadvantages of using carbon dioxide to extinguish a fire in an enclosed space is __________.

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

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

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

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

One remedy for a high firing pressure, in addition to a high exhaust temperature in one cylinder of a diesel engine, is...

The passive safety device installed on each Halon fire extinguishing cylinder, to prevent its over pressurization is ca...

What computer network device maintenance procedure is recommended to be increased in frequency when the equipment is lo...

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

If a fire broke out in an automation console, you would first secure the power and then proceed to use which of the lis...

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

Auxiliary diesel engine electric starting motors use __________.

The fire extinguishing equipment shown in the illustration is a large __________. Illustration SF-0009

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

The pinion of an auxiliary diesel-electric starting motor normally engages the flywheel ring gear by means of a/an ____...

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

According to the illustration, which of the following conditions would most likely cause Pump "A" to short cycle? Illus...

In a medium-speed marine propulsion engine equipped with direct admission air starting valves, the cylinders without ai...

While fighting a fire, in order to utilize two hoses from a single "wye" gate attached to a hydrant outlet, you need on...

For a process control system using the proportional control mode, what statement is true?

In a direct cylinder admission air starting system, once the engine begins to fire, the air starting check valve illust...

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

In a closed-loop process control system, what term is used to describe the action of measuring the difference between t...

What type of engine lubrication oil filter system sends filtered oil directly to the high-pressure supply gallery?

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

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

The device shown in the illustration is a __________. Illustration MO-0008

An oil fire is reported in the purifier room bilge. How would you combat this fire?

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

Which of the following problems could develop due to the accumulation of oil vapors in the crankcase of a diesel engine...

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

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

A decrease in the flash point of diesel engine lube oil indicates the lube oil has become __________.

When combating a major electrical fire at sea, the main consideration is __________.

Using the illustrated chart giving the boiling point of moisture at various depths of vacuum, with an ambient temperatu...

Which of the following test indicators should be considered the most significant factor in determining as to whether or...

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

Personnel servicing refrigeration systems that exposes them to commonly used refrigerants should wear what type of pers...

A dirty lube oil strainer can result in __________.

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

When installing a mechanical shaft seal on a refrigeration compressor, extreme care must be taken to prevent what from ...

Which of the following effects will excessively cold lube oil have on the operation of a diesel engine?

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

A refrigeration unit will tend to short-cycle when operating under what conditions?

A bronze bearing liner with a lead-tin flashing has a milky-white color over most of its surface and some areas of expo...

In fighting a fire in a fuel tank, the FIRST action you should attempt is to __________.

In a refrigeration system, the valve shown in the illustration is used for what purpose? Illustration RA-0014

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

If a cargo tank has not been certified as gas free, __________.

Vapor bubbles present in the liquid upon arrival to the thermal expansion valve in a refrigeration system may cause ero...

Which statement about diesel engine combustion is true?

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

Coast Guard Regulations (46 CFR Part 58) require a method for the relieving pressure of an over pressurized refrigerati...

What physical property of low sulfur distillate fuel can result in operational difficulties?

Oil Record Books, as per U.S. regulations, have two sections, Part I and Part II. What is defined in the pages precedin...

When opening or closing compressor service and line isolation valves on a typical refrigeration system that is fitted w...

What is a major initial ramification of receiving bunkers with a water content of 0.75% by volume?

The most common type of containment device for spilled oil on the water is the use of __________.

Attitudes, biases, and prejudices towards certain groups (nationalities, races, religions, and sexes) can pose formidab...

While bunkering heavy fuel, what quick/easy test can one perform onboard to determine the compatibility of 'old' with '...

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

When it comes to motivating employees, it is important to distinguish between intrinsic and extrinsic motivation. What ...

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

Which of the following methods will reduce the possibility of producing an electrical spark?

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

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

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

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

The item labeled #16 in the illustration is a stack of spring washers. Their function is to __________. Illustration MO...

Victual waste is __________.

As a manager, which of the following conflict management styles is considered the most appropriate for resolving confli...

Uneven bolt tightening during the installation of a fuel injection pump can result in __________.

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

As a manager conducting a meeting, what action should you take when an attendee exhibits disruptive or inappropriate be...

When disassembling or assembling an injection pump plunger and barrel you should _________.

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

Once a fire and emergency drill is conducted, the drill ideally should be critiqued. What of the following statements b...

Which of the following problems is the main source of fuel pump and injection system malfunctions?

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

Which of the following comprehensive computerized maintenance system database modules would contain data such as part n...

Heat damage to fuel injection nozzles can be prevented by avoiding __________.

Reducing the free surfaces within a vessel, reduces the __________.

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

In the common rail system, excessive pressure in the header may be caused by __________.

If flammable vapors have penetrated a gas free space, which of the following actions would be the most hazardous to per...

What maintenance management scheme does trend analysis support?

One cause of diesel engine surging can be a result of __________.

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

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

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

Your vessel, of more than 1000 gross tons on an international voyage is crossing the Atlantic Ocean. The second enginee...

When using a thermal imager for the purpose of conducting a thermographic analysis of equipment, what form of energy pr...

Problems with the diesel engine fuel injection pump are usually caused by __________.

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

According to the 46 CFR regulations applicable to tests, drills, and inspections for mobile offshore drilling unit oper...

Which of the following conditions is indicated by the presence of water in the scavenging air receiver?

An oxygen indicator will detect __________.

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

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

According to the Pollution Prevention Regulations (33 CFR), no person may transfer oil to or from a vessel unless each ...

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

An engine is equipped with the overspeed trip similar to that shown in the illustration. The throw out weight is design...

The worst atmospheric condition for dispersion of hydrogen sulfide is __________.

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

What is the maximum allowable clearance permitted between the bearing, shown in the illustration and the shaft along it...

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

In consultation with the other ship's management level officers, you are planning a required fire emergency drill. In a...

What is the normal bearing clearance permitted at the horizontal axis of the shaft for the bearing shown in the illustr...

Bunker "C" is classified as a grade __________.

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

The gear drive, shown in the illustration, can have the backlash determined best by using a __________. Illustration MO...

Which of the following is classified as a grade "E" combustible liquid?

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

When an additional load is applied to a diesel engine which is using an inadequately inflated air bladder clutch unit, ...

High concentrations of hydrogen sulfide gas are most dangerous to personnel because they can __________.

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

The starter control valve in the hydraulic system shown in the illustration is malfunctioning. Before removing the valv...

Which of the following precautions are necessary when using any electrical equipment in a hazardous location, such as a...

When the sensing bulb of a thermostatic expansion valve is charged with a fluid different from the charge used in the s...

If a diesel engine has been stopped because of piston seizure due to severe overheating, the crankcase __________.

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

When observing the candidate's performance while conducting an assessment, what is the appropriate response from the as...

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

The physical data term on a Safety Data Sheet (SDS) describing whether a liquid is lighter or heavier than water is ___...

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

The governor for an emergency diesel generator is shown in the illustration. When a large change in load results in a c...

The physical data term on a Safety Data Sheet (SDS) that indicates if the vapor formed by a material is lighter or heav...

What is one major advantage of a diesel-electric propulsion plant?

Increasing the oil pressure acting on the power piston of the hydraulic governor shown in the illustration will ________...

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

If the clock frequency input to the circuit shown in the illustration were 2 kHz, what would be indicated at the output...

If the compensating needle valve of a hydraulic governor is opened more than necessary the governor will __________.

Your vessel has run aground and upon taking fuel oil tank soundings, you find that a fuel tank level has increased. You ...

As shown in the illustrated block diagram for a distributed automation system, what statement is true concerning the un...

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

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

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

If the speeder spring of a main propulsion diesel engine governor breaks while operating at full load, the engine RPM wi...

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

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

Governor hunting is caused by __________.

An acceptable method of temporarily sealing a crack formed in the hull of a vessel is to __________.

Which of the following data communication cable types offers the greatest immunity to electromagnetic "noise"?