engine to the bed
rocker arm to the camshaft
crankshaft to the gear train
piston to the crankshaft
第1题：
A thrust bearing is used with a propulsion diesel engine to ____.
A.control axial movement of the crankshaft
B.transmit engine thrust to the propeller shaft
C.absorb vibrations in the propeller shafting
D.prevent propeller thrust from being transmitted to the hull
第2题：
A magnetic strainer is used in the diesel engine reduction gear oil system to remove small particles of
A.water
B.babbitt
C.iron or steel
D.acids
第3题：
●Which one of these statements about connecting to the Internet is true? (68) .
(68) A．The Internet can only be used to link computers with same operating system
B．The Internet can be used to connect computers with different ISP
C．You must have a telephone line to connect to the Internet
D．You must have a modem to connect to the Internet
第4题：
principle
principal
cause
case
第5题：
A bypass line provided around a waste heat auxiliary boiler in a diesel engine exhaust system, may be used to avoid boiler ______.
A.corrosion at low engine loads
B.erosion at high engine loads
C.overload at high engine loads
D.scaling at all exhaust temperatures
第6题：
_____ the engines, the diesel engine is ____ used engine on board
A.Between / more commonly
B.Among / the most commonly
C.Between / not more commonly
D.Among / not the most commonly
第7题：
In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces_______ .
A.all of the oil used by the engine through a filter
B.some of the oil used by the engine through a filter
C.some of the oil used by the engine through a centrifuge
D.all of the oil used by the engine through a centrifuge
第8题：
Which one of these statements about connecting to the Internet is true?(68).
A．The Internet can only be used to link computers with same operating system
B．The Internet can be used to connect computers with different ISP
C．You must have a telephone line to connect to the Internet
D．You must have a modem to connect to the Internet
第9题：
A Kort nozzle is a(n) ______.
A.hollow tube surrounding the propeller used to improve thrust
B.nozzle attached to a firefighting hose
C.intake valve on a diesel engine
D.piston cylinder on a diesel engine
第10题：
cylinders
exhaust valves
pistons
fuel valves