单项选择题
The essential part of the diesel engine, whose function is to convert the heat energy into the mechanical power, is the （）.
A.crankshaft
B.piston
C.connecting rod
D.bearing
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相关考题
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单项选择题
Among the main propulsion units on board the ship with the same capacity, the lightest one is（）.
A.steam engine
B.steam turbine
C.gas turbine
D.diesel engine -
单项选择题
The rotating range of the low speed diesel engine is usually lower than （）.
A.100 rpm
B.200 rpm
C.300 rpm
D.500 rpm -
单项选择题
Before using or operating any equipment, you should first （） its manual thoroughly and understand its contents（）.
A.read/sufficient
B.consult/sufficiently
C.read/sufficiently
D.consult/sufficient
