單項選擇題A distance piece, known as a () may be interposed between the rod and the bearing housing.

A.bearing shell
B.bearing liner
C.compression plate
D.lead wire


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1.單項選擇題A diesel engines crankcase oil level is found to be too high√ You should suspect that ().

A.the engine was over filled
B.there might be a fuel leak
C.there might be a water leak
D.all of the above

2.單項選擇題A diesel engine is similar to a gasoline engine except that the former has no ().

A.cross-head
B.cylinder
C.connecting rod
D.spark plug

3.單項選擇題A common trouble with the fuel pump plungers or fuel valve spindle is ().

A.broken down
B.stuck
C.oil leakage
D.carbonized

4.單項選擇題A common trouble with the fuel pump plunger or fuel valve spindle is ().

A.water leakage
B.steam leakage
C.oil leakage
D.air leakage

5.單項選擇題A charge of fresh air is drawn into the engine cylinder and then () by the moving piston() very high pressure.

A.pressed;to
B.pressurized;with
C.pushed;in
D.compressed;to