單項選擇題

When reassembling the bowl of a disk-type centrifuge, the bowl or locking ring is rotated （）.

A.clockwise, due to the bowl rotating clockwise
B.clockwise, due to the bowl rotating counterclockwise
C.counterclockwise, due to the bowl rotating clockwise
D.counterclockwise, due to the bowl rotating counterclockwise

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單項選擇題

In diesel engines designed with a crosshead, the motion of the piston rod can be described as （）.

A.reciprocating at the piston pin, rotary at the crank pin
B.reciprocating at the crank pin, rotary at the piston pin
C.straight reciprocation
D.straight rotation

單項選擇題

Immediately after any diesel engine is started, the engineer should check the （）

A.crankcase pressure
B.lube oil pressure
C.saltwater pressure
D.exhaust temperature

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When reassembling the bowl of a disk-type centrifuge, the bowl or locking ring is rotated （）.

你可能感興趣的試題

In diesel engines designed with a crosshead, the motion of the piston rod can be described as （）.

Immediately after any diesel engine is started, the engineer should check the （）