A.a bolt
B.a cap
C.a disc
D.a nut
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A.piston gudgeon pin
B.piston skirt
C.cross-head
D.cross-head pin
A.lubricating oil
B.compressed air
C.cooling water
D.sealing ring
A.such far away from
B.such near by
C.as far away from
D.as near by
A.as far as
B.as soon as
C.as close as
D.as closer as
A.gas oil
B.diesel oil
C.chemical compound
D.Freon-12
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A diesel engine piston ring face is in direct contact with the （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Proper filtering and straining of fuel oil is important because the （）.
In a simple mechanical governor, the （）.
What is the function of the thrust bearing?（）
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?（）
The function of diesel engine piston compression rings is to （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Routine monitoring of a diesel engine should include （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.