A.excessive piston to liner clearance
B.excessive dirt beneath the piston crown that reduces heat transfer
C.faulty nozzle spray
D.all of the above
您可能感興趣的試卷
你可能感興趣的試題
A.an increased flash point
B.higher lube oil pressures
C.an increased viscosity
D.lower lube oil pressures
A.The fuel metering will vary
B.The fuel will explode
C.The cylinder head will crack
D.The engine will stop
A.Leaking fuel injectors
B.Lower than normal compression
C.Delayed fuel injection
D.All of the above are correct
A.Quantity of fuel injected tends to be decreased
B.Quantity of fuel injected will always be increased
C.Start of injection tends to be advanced
D.Duration of injection will always greater
A.prevent piston ring wear
B.shorten the ring break-in period
C.prevent cylinder liner glazing
D.appear slick and glazed
最新試題
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Diesel engine air start system check valves are opened 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 （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
（） is not installed on the main switchboar.
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）