Does the crank pin act as a which beam inside crankshaft? A.

does-the-crank-pin-act-as-a-which-beam-inside-crankshaft-a

Does the crank pin act as a which beam inside crankshaft?

A. Simply supported

B. Cantilever

C. Overhanging

D. Roller supported

The question was posed to me by my school teacher while I was bunking the class.

Question is taken from IC Engine in section Design of IC Engine Components of Automotive Engine Design

Correct choice is B. Cantilever

For explanation I would say: The crankpin acts as a cantilever beam inside crankshaft and subjected to maximum bending moment on the crankshaft.