While engine is in operation the piston moves up and down, thus causing the rotation of the （）.

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• During extremely cold weather, while starting an engine, it turns too slowly and fails to startThis problem is most likely the result of （）

  A . high fuel oil viscosity B . low fuel oil temperature C . high lube oil viscosity D . energized glow plug

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• In the engine department, the （） is looked upon to provide the leadership that is needed.

  A . captain B . chief engineer C . chief officer D . chief motorma

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• A diesel engine piston ring face is in direct contact with the （）.

  A . top of the ring groove B . cylinder liner oil film C . bottom of the ring groove D . back of the ring groove

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• Who is in charge of the main engine?（）

  A . The chief engineer B . The second engineer C . The third engineer D . The fourth engineer

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• While inspecting the main bearings on a diesel engine you find impregnated dirt and scratches in the bearing surface you would, therefore, suspect that （）

  A . the bearing had been overheated B . water was present in the oil C . the lube oil was not being properly filtered D . the maximum allowable bearing pressure had been exceeded

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• In twin-screw engine installations while going ahead，maneuvering qualities are most effective when the tops of the propeller blades both turn（）.

  A . to starboard B . outboard from the center C . to port D . inboard toward the center

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• In a common rail engine, the fuel is injected into cylinders（）

  A . by injection pumps B . at a time decided by the injection pump timing C . by a signal opening the magnetic valves D . at a time decided by the cam directly

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• Fuel is ignited in a diesel engine cylinder by （）

  A . a spark plug B . injectors C . the heat of compression D . increasing jacket water temperature

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• If a single cylinder relief valve on a diesel engine lists frequently while the engine is running, the cause may be an （）

  A . excessively late injection timing for each cylinder B . incorrectly adjusted intake valve timing C . incorrectly adjusted fuel injector D . incorrectly adjusted intake valve clearance

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• A diesel engine is supercharged in order to（）

  A . lower the no-load RPMs B . provide more air for combine with the fuel C . increase the no-load RPMs D . provide more fuel combine with the air

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• Low compression pressure in a diesel engine is caused by（）

  A . low water in the expansion tank B . improperly seated valves C . low fuel oil pressure D . worn or broken cylinder liner sealing ring

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• In heavy marine engine the practice is to drive the engine on（）which has previously been stored in starting air reservoirs.

  A . electric motor B . hydraulic motor C . compressed air D . turning gear

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• While a ship with twin screw is making a turn, in order to prevent overload, the duty engineer should （）

  A . reduce the fuel feeding of main engine of inner propeller B . reduce the fuel feeding of main engine of outer propeller C . firstly reduce the fuel of main engine of inner propeller, then reduce the fuel feeding of engine of outer propeller D . reduce fuel feeding of two engines at the same time

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• In my opinion,the manner is（）that the duty engineer reported the small fire in engine room.

  A . reluctant B . positive C . possible D . improper

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• Increasing the compression ratio of a diesel engine while maintaining the designed rate of fuel flow will result in （）

  A . increased horsepower B . reduced efficiency C . increased heat loss D . lower cylinder pressure

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• The engine in a covered lifeboat is fueled with（）.

  A . kerosene B . unleaded gasoline C . diesel oil D . liquefied ga

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• What safety precautions should be observed by the crew while working around machinery in an engine room?（）

  A . They should wear safety shoes B . They should wear ear protection C . They should not wear jewelry D . All of the above

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• While on watch in the engine room, you hear a continuous sounding of the general alarmWhich of the following actions should you take FIRST?（）

  A . Secure the burners then proceed to your assigned boat station B . Start the fire pump and establish flow to the fire main C . Open the guardian valve and standby to maneuver D . Open the master control valves on the fixed CO system

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• While underway, which of the following would be the FIRST step in reversing a direct reversing large, low-speed, main propulsion, diesel engine?（）

  A . Manually trip the over-speed device B . Interrupt the fuel flow to the engine C . Disengage the safety interlock D . Slide the camshaft to the neutral positio

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• When the engine room is put in standby condition, the engineer in charge of the watch need not to（）

  A . ensure all machinery which may be used during maneuvering is in ready B . ensure an adequate reserve of power is available for steering gear and other requirements C . keep the main propulsion unit controls continuously attended when in the manual mode of operation D . ensure all machinery which may be used during maneuvering is running stably

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• The author felt comfortable while sitting in the engineering library.

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• In western countries, the interpersonal relationship is complex and complicated, while in China, it is plain and simple.

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• Whether a ship is sailing before the wind or sailing in the rough sea, we must reduce the fuel injection of the main engineFor the former one, it aims to prevent the main engine being , while for the later one, it aims to prevent the main engine being .

  A.overspeed / overload B.overload / overspeed C.over torque / overspeed D.low mechanical efficiency / overload

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• In heavy marine engine the practice is to drive the engine on____ which has previously been stored in starting air reservoirs.

  A.electric motor B.hydraulic motor C.compressed air D.turning gear

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