The main reasons for crankshaft wear are _______
(a) Different loads at some points of rotation
(b) Centrifugal forces due to crankshaft rotation
(c) Misalignment in connecting rod
(d) All of the mentioned
I have been asked this question by my college director while I was bunking the class.
I need to ask this question from IC Engine Crankshaft and Camshaft topic in chapter Internal Combustion Engines of Automobile Engineering