單項選擇題The injector pump is operated by a cam which drives () up and down.

A.the needle valve
B.the plunger
C.the piston
D.the cylinder


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1.單項選擇題The indications of a scavenge fire are excessive black smoke, () and peeling from scavenge trunking.

A.turbo-chargers surge
B.spark seen from the drains
C.paint blistering
D.all above are right

2.單項選擇題The indicated power of an engine can be obtained by taking the ().

A.precautions
B.rpm
C.indicator cards
D.B and C

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

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

5.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