A.Prevents lateral movement of the slow speed gear
B.Transmits propeller thrust to the hull
C.Keeps spring bearings in line
D.Prevents main reduction gear axial movement
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A.under high pressure
B.under low pressure
C.heated to reduce viscosity
D.cooled to increase viscosity
A.fuel oil pump will over-speed if dirt is not removed
B.fuel oil transfer pumps cannot tolerate small amounts of dirt in the oil
C.fuel injectors may be damaged by foreign particles in the fuel oil
D.dirty fuel will clog the intake air filter
A.low lube oil temperature
B.high ambient air temperature
C.low tube oil pressure
D.high exhaust system back pressure
A.the type and size of the engine
B.the condition of the engine
C.ambient temperature
D.all of the above
A.it has a longer power stroke
B.more air gets into the cylinder each stroke
C.it develops twice as many power strokes at the same speed
D.higher combustion pressure is developed
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In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
In a simple mechanical governor, the （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
The main purpose of the piston oil scraper rings is to （）.
Proper filtering and straining of fuel oil is important because the （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.