A.hour
B.day
C.week
D.month
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A.Engine is hard to start
B.Engine misses
C.Surges at governed RPM
D.Coolant temperature is too low
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
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
最新試題
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 （）.
Diesel engine control can be obtained by the bridge （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
What is the function of the thrust bearing?（）
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.