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
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If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
A diesel engine piston ring face is in direct contact with the （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
An automated diesel engine should normally shut down due to （）
The highest pressure in a diesel engine cylinder normally occurs （）.
Lube oil cannot be efficiently filtered if its （）.
The function of diesel engine piston compression rings is to （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.