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At what position, crankshaft experience maximum bending moment?

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in Automotive Engine Design by (137k points)
At what position, crankshaft experience maximum bending moment?

(a) Bottom dead center

(b) Top dead center

(c) Middle position

(d) Dead center

I have been asked this question in an interview for job.

This interesting question is from IC Engine in section Design of IC Engine Components of Automotive Engine Design

1 Answer

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Best answer
The correct option is (b) Top dead center

The best explanation: The crank is at the top dead center position and subjected to maximum bending moment and no torsional moment. At this position Piston, the connecting rod forms a straight axis. So bending takes place.

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