單項選擇題

Because the tie bolts are so close to the crankshaft, some engines employ （）to hold the crankshaft main bearing cap in position instead of conventional studs and nuts.

A.through bolts
B.jack bolts
C.tap bolts
D.fitted bolts

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單項選擇題

To prevent excessive （） in the transverse girders, the tie bolts are positioned as close to the center of the crankshaft as possible.

A.thermal stresses
B.bending moments
C.thermal loads
D.surface tensions

單項選擇題

The A-frames carry the crosshead guides and support the engine （）.

A.foundation
B.seating
C.entablature
D.bedplate

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