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單項選擇題

The crankshaft receives and transmits the full working power of the engine and is subjected to fluctuating （）.

A.bending stresses彎曲應力
B.torsion stresses扭轉應力
C.shear stresses剪應力
D.All of the above

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單項選擇題

The crankshaft of diesel engine is supported by （）.

A.tension stretch
B.tie rods
C.through bolts
D.main bearings

單項選擇題

The crankshaft is of the semi-built type, with the （） being shrunk into the forged or cast steel crank throws.

A.journal
B.crank-pin
C.main bearing
D.large end of connecting rod