A.chromium-plate against wear
B.anti-corrosion treated
C.white metal lined against wear
D.flame hardened against wear
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A.to revolve
B.revolved
C.revolving
D.to be revolved
A.crankshaft
B.connecting rod
C.cross-head
D.main beating
A.doesnt use a drain tank but a head tank
B.uses a drain tank not head tank
C.uses a drain tank and a head tank
D.uses neither a drain tank nor a head tank
A.a sump tank
B.a feed well
C.a double bottom tank
D.a drain tank
A.fresh water
B.sea water
C.lubrication
D.fuel oil
最新試題
The main purpose of the piston oil scraper rings is to （）.
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 （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
A thrust bearing is used with a propulsion diesel engine to （）.
In a simple mechanical governor, the （）.
An automated diesel engine should normally shut down due to （）
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.