單項選擇題The cylinder covers and the liners are bolted together by means of ().

A.bolts welded into the cylinder head
B.bolts welded into the cylinder frames
C.studs screwed into the cylinder head
D.studs screwed into the cylinder frames


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1.單項選擇題The cylinder cover is not provided with ().

A.fuel valve
B.lubricator
C.indicator valve
D.the starting valve

2.單項選擇題The cylinder contains a great weight of air and is capable of burning a great quantity of fuel at().

A.the beginning of the compression stroke
B.the beginning of the suction stroke
C.the end of the working stroke
D.the end of the exhaust stroke

4.單項選擇題The crown is fairly thick with the cylindrical parts () to a thinner section.

A.forged
B.tapering
C.drilling
D.boring

5.單項選擇題The cross-head shoes are white metal lined, grooves being cut horizontally on the face of the white metal to ensure ().

A.an adequate supply of lube oil
B.an adequate supply of fuel oil
C.an adequate supply of turbine oil
D.an adequate supply of cylinder oil