A.shim
B.gasket
C.washer
D.packing
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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
A.the same as
B.similar to
C.separated from
D.different from
最新試題
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Combustion knock occurring in a diesel engine can be caused by （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
Routine monitoring of a diesel engine should include （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
The main purpose of the piston oil scraper rings is to （）.
A diesel engine piston ring face is in direct contact with the （）.
Maximum horsepower of a diesel engine is attained （）.