A.gravity
B.motion
C.ratio
D.density
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A.compression
B.maximum
C.rated
D.oil
A.the viscosity index
B.the fuel oil contents
C.the starting speed
D.the reading at the rack
A.have nothing to do with
B.having nothing to do with
C.have much to do with
D.having much to do with
A.a transfer pump
B.a bilge pump
C.a service pump
D.a vacuum pump
A.a failure of the motor
B.a failure of lubricator
C.a failure of cylinder
D.a failure of fuel pump
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What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
A diesel engine piston ring face is in direct contact with the （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Routine monitoring of a diesel engine should include （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Diesel engine control can be obtained by the bridge （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.