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Calculate the diameter of the piston pin when Pc=42951.46, lp=1.8dp, and (pb)p=14?

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Calculate the diameter of the piston pin when Pc=42951.46, lp=1.8dp, and (pb)p=14?

(a) 35.88mm

(b) 41.28mm

(c) 45.89mm

(d) 39.33mm

The question was posed to me in an international level competition.

I want to ask this question from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design

1 Answer

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The correct choice is (b) 41.28mm

To elaborate: By the formula Pc=dplp(pb)p

                                       42951.46=dp×1.8dp×14

                                                  dp=41.28mm

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