A.end
B.web
C.pin
D.journal
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A.sea cheat
B.air receiver
C.crankcase
D.water box
A.a worn cylinder
B.broken piston rings
C.either A or B
D.none of the above
A.a worn cylinder
B.broken piston rings
C.any of A and B
D.none of the above
Leaky exhaust valve will result in which of the following?（）
(1) high exhaust temperature;
(2) low compression pressure;
(3) low firing pressure.
A.(1) and (2)
B.(1) only
C.(2) only
D.(1),(2) and (3)
A.cylinder liners and piston rings
B.main bearings
C.crankpin bearings
D.turboblower
最新試題
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Routine monitoring of a diesel engine should include （）.
Diesel engine control can be obtained by the bridge （）.
The main purpose of the piston oil scraper rings is to （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
An automated diesel engine should normally shut down due to （）
To determine if the lube oil filter elements need changing, （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）