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
A thrust bearing is used with a propulsion diesel engine to （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
A diesel engine piston ring face is in direct contact with the （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
The main purpose of the piston oil scraper rings is to （）.
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 （）.
Combustion knock occurring in a diesel engine can be caused by （）.