A.torque wrench
B.monkey wrench
C.pipe wrench
D.slugging wrench
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A.Electric
B.Hydraulic
C.Air
D.All of the above
A.build up the piston crown by metal spraying
B.build up the cylinder head by metal spraying
C.insert shims between the crankpin bearing box and the connecting rod foot
D.install a thinner head gasket
A.cetane number of 55
B.cetane number of 45
C.octane number of 55
D.octane number of 45
A.increase
B.decrease
C.remain the same
D.increase on compression decrease on expansion
A.ignition quality of the fuel
B.high heating value of the fuel
C.amount of carbon residue after combustion
D.internal flow resistance in the injectors
最新試題
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The condensers located in various stages of a flash evaporator are cooled by（）
The main purpose of port State control is not to（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Cold weather starting of a diesel engine may be made easier by（）