A.lifted
B.reassembled
C.dismounted
D.disassembled
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A.a low load on that cylinder
B.sluggish piston ring action
C.excessive piston crown cooling
D.excessive clearance of piston pin
A.the same as
B.similar to
C.separated from
D.different from
A.safety valve
B.indicator cock
C.blow-down valve
D.start valve
A.the exhaust valve
B.the starting air
C.the inlet valve
D.the fuel oil
A.to protect
B.to guard
C.to maximize
D.to minimize
最新試題
To determine if the lube oil filter elements need changing, （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Combustion knock occurring in a diesel engine can be caused by （）.
White smoke exhausting from an operating diesel engine may indicate （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Routine monitoring of a diesel engine should include （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
The minimum speed an engine must attain before ignition can occur depends upon （）.