A.half the engine speed
B.twice the engine speed
C.the engine speed
D.four times the engine speed
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A.downwards;upwards
B.upwards;downwards
C.downwards;downwards
D.upwards;upwards
A.telescopic pipes
B.large bore
C.drilled passage
D.tied rod
A.crosshead
B.crankpin
C.crank journal
D.gudgeon pin
A.additives
B.water
C.grease
D.acid solution
A.setting tanks
B.service tanks
C.tanks
D.drain tanks
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