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When does crankshaft experience a maximum torsional moment?

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in Automotive Engine Design by (137k points)
When does crankshaft experience a maximum torsional moment?

(a) At angled position

(b) At zero degree

(c) At 180 degree

(d) At 360 degree

I got this question during an interview.

My doubt is from IC Engine in portion Design of IC Engine Components of Automotive Engine Design

1 Answer

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Best answer
The correct option is (a) At angled position

To explain I would say: The crank is at an angle with the line of dead center positions and subjected to maximum torsional moment. Angled position is when the piston is in the middle of the cylinder.

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