A.to reduce
B.to increase
C.and reduce
D.and increase
您可能感興趣的試卷
你可能感興趣的試題
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
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
A thrust bearing is used with a propulsion diesel engine to （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
An automated diesel engine should normally shut down due to （）
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Lube oil cannot be efficiently filtered if its （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
What is the function of the thrust bearing?（）