A.resisting oxidization
B.reducing friction
C.promoting moving speed
D.developing inertia
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A.give the pressure
B.give the contents
C.give the shape of the tank
D.give the accuracy level
A.inefficient cooling
B.a leaking air start valve
C.a clogged drain valve
D.a leaking air bottle
A.a flame trap
B.a relief valve
C.a fusible plug
D.a bursting cap
A.starting
B.stopping
C.to start
D.to stop
A.split pins
B.crankpins
C.dipsticks
D.circlips
最新試題
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 （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Routine monitoring of a diesel engine should include （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Combustion knock occurring in a diesel engine can be caused by （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The function of diesel engine piston compression rings is to （）.