A.regulating the level of corrosion inhibitor in the primary cooling system
B.the level of the freshwater expansion tank
C.varying the engine load to meet temperature requirements
D.the operation of the thermostatic valve
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A.oil spray
B.oil bath
C.oil control rings
D.drilled passage through the camshaft
A.twice the crankshaft speed
B.half the crankshaft speed
C.the same speed as that of the crankshaft
D.a speed independent of that of the crankshaft
A.failing to reach rated speed
B.knocking under maximum load
C.hunting or surging under light load
D.overspeeding and running away
A.cooling water pump
B.nozzle cooling passages
C.cylinder jackets
D.heat exchanger
A.the power stroke
B.the compression stroke
C.low load operation only
D.periods of standby
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Lube oil cannot be efficiently filtered if its （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
Maximum horsepower of a diesel engine is attained （）.
In using reduction gears to obtain efficient propeller speeds, （）.
A diesel engine piston ring face is in direct contact with the （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.