A.intake valves
B.carburetor
C.exhaust ports
D.injector nozzles
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A.clearance
B.crush
C.pitch
D.thrust
A.bottom blow the boiler
B.treat the water with caustic soda
C.treat the water with chemical scavengers
D.reduce the water alkalinity to recommended readings
A.reduce gas flow turbulence
B.prevent exhaust gas corrosion
C.increase the rate of combustion
D.increase the rate of heat transfer
A.reduce air charge turbulence
B.induce air swirl
C.deflect hot combustion gas away from the valves
D.oppose the effects of piston induced squish
A.fuel oil vapor at the sludge tank vent
B.unburned fuel vapors in the scavenge air receiver
C.lube oil vapors in the crank case
D.lube oil vapors in the engine room
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Lube oil cannot be efficiently filtered if its （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Proper filtering and straining of fuel oil is important because the （）.
In a simple mechanical governor, the （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
A thrust bearing is used with a propulsion diesel engine to （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.