A.a higher cetane number of fuel oil
B.the diesel fuel used having a high viscosity
C.mechanical rigidity in the lube pump mechanism
D.a decrease rigidity in the fuel pump delivery pressure
您可能感興趣的試卷
你可能感興趣的試題
A.Higher compression ratios create higher temperature
B.Higher temperatures create higher compression ratios
C.low temperatures create higher compression ratios
D.Higher compression ratios create low temperatures
A.torque wrench
B.monkey wrench
C.pipe wrench
D.slugging wrench
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
最新試題
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()
The treatment of the fuel oils involves storage, heating, filtering and()
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to ()
Which of the following items don’t belong to dock repair works?()
() is not installed on the main switchboar.
The condensers located in various stages of a flash evaporator are cooled by()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()
Under MARPOL Code the ship to which it applies has to carry ()
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()