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Why piston ribs are provided in the piston?

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in Automotive Engine Design by (137k points)
Why piston ribs are provided in the piston?

(a) To strengthen cylinder

(b) To strengthen piston head

(c) To strengthen cams

(d) To strengthen crankshaft

I have been asked this question during a job interview.

My question is based upon IC Engine in division Design of IC Engine Components of Automotive Engine Design

1 Answer

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Best answer
Correct choice is (b) To strengthen piston head

Explanation: Ribs strengthen the piston head against the gas pressure. They increase the rigidity and prevent the distortion of the piston head.

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