單項(xiàng)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


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1.單項(xiàng)選擇題The A-frames carry the crosshead guides and support the engine ().

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

2.單項(xiàng)選擇題Basically the bedplate consists of two (), which run the length of the engine.

A.longitudinal girders
B.transverse girders
C.fore girders
D.aft girders

5.單項(xiàng)選擇題It is during () that work energy is being put into the engine; during the other 3 strokes of the piston, the engine is having to do the work.

A.the suction stroke
B.the compression stroke
C.the expansion stroke
D.the exhaust stroke

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