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单项选择题
A.a cracked cylinder liner
B.clogged intake ports
C.broken piston rings
D.a faulty head gasket
单项选择题
A.increase the starting air pressure
B.use a higher than normal cranking speed
C.increase the fuel injection pressure
D.use a fuel having a lower ignition temperature
单项选择题
A.soft water pump was not secured along with the engine
B.jacket water thermostat has failed
C.cylinder liner may be cracked
D.raw water pump is over-speeding just prior to engine shutdown
单项选择题
A.excessive fuel pressure
B.high lube oil viscosity
C.inadequate fuel injection
D.excessive starting air pressure
单项选择题
A.proper break-in wear
B.improper break-in wear
C.relocation of the overlay flashing
D.water contamination of the lube oil system
单项选择题
A.water in the fuel
B.cold lube oil
C.excessive starting air pressure
D.excessive fuel pressure
单项选择题
A.fuel pump should be removed and all connections blanked off
B.cylinder oil feed rate should be increased slightly above that used at normal sea speed
C.cylinder oil feed rate should be reduced
D.cylinder oil feed rate should be increased to the maximum flow capable of the metering pump
单项选择题
A.the proper back pressure
B.the cooling water temperature
C.correct timing and proper seating
D.accurate metering and the exhaust temperature
单项选择题
A.low exhaust back pressure
B.air in the fuel system
C.gasket blow-by or leakage
D.incorrect assembly of idler springs
单项选择题
A.Hydraulic starting
B.Electric starting
C.Ignition
D.Fuel