单项选择题
A.a cracked cylinder liner B.clogged intake ports C.broken piston rings D.a faulty head gasket
When restarting a heavy fuel diesel engine that has bee...
单项选择题When restarting a heavy fuel diesel engine that has been stopped for some time, the engine should（）
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
Water accumulation in the cylinder of a secured engine ...
单项选择题Water accumulation in the cylinder of a secured engine is an indication that the （）
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
If a diesel engine turned over at normal cranking speed...
单项选择题If a diesel engine turned over at normal cranking speed but failed to start, the cause could be late fuel injection or （）
A.excessive fuel pressure B.high lube oil viscosity C.inadequate fuel injection D.excessive starting air pressure
