A.to reduce
B.to increase
C.and reduce
D.and increase
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A.shim
B.gasket
C.washer
D.packing
A.lead
B.forged steel
C.alloy steel
D.aluminum alloy
A.cast iron
B.forged steel
C.stainless steel
D.aluminum alloy
A.lifted
B.reassembled
C.dismounted
D.disassembled
A.a low load on that cylinder
B.sluggish piston ring action
C.excessive piston crown cooling
D.excessive clearance of piston pin
最新試題
Proper filtering and straining of fuel oil is important because the （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
Routine monitoring of a diesel engine should include （）.
The function of diesel engine piston compression rings is to （）.
To determine if the lube oil filter elements need changing, （）.
A diesel engine piston ring face is in direct contact with the （）.
White smoke exhausting from an operating diesel engine may indicate （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
The highest pressure in a diesel engine cylinder normally occurs （）.