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Calculate the length of the bearing when the diameter of crankpin is 50mm?

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in Automotive Engine Design by (137k points)
Calculate the length of the bearing when the diameter of crankpin is 50mm?

(a) 35 to 55mm

(b) 87 to 90mm

(c) 75 to 100mm

(d) 91 to 109mm

The question was asked during an internship interview.

My enquiry is from IC Engine in section Design of IC Engine Components of Automotive Engine Design

1 Answer

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The correct option is (c) 75 to 100mm

To explain I would say: l1=1.5dc to 2dc

=1.5×50 to 2×50

                         =75 to 100mm

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