單項選擇題The ignition of the fuel in diesel engine is caused by the () of compression of the air previously admitted into the cylinders.

A.vacuum pressure
B.specific gravity
C.heat
D.viscosity


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1.單項選擇題The hydraulic () is used to control engine speed.

A.motor
B.pump
C.governor
D.capstan

2.單項選擇題The hot expanding gas rotates the blades of the exhaust turbine, thus giving out large part of its power, which drives ().

A.the oil separator
B.the fresh water generator
C.the compressor
D.fire pump

3.單項選擇題The high pressure in fuel injection system of the diesel engine is produced by the ().

A.injector pump
B.fuel injector
C.governor
D.turbocharger

4.單項選擇題The heart of the diesel engine is the () where the fuel is burnt and the power developed.

A.crankcase
B.cylinder
C.scavenge box
D.piston

5.單項選擇題The hand steering is a method by which the motion of the rudder is controlled with ().

A.a motor-driven steering wheel
B.a pneumatic steering wheel
C.a hand-driven steering wheel
D.an electric steering wheel