Crankshafts are usually constructed by ______ A. Casting B. Drop

crankshafts-are-usually-constructed-by-a-casting-b-drop

Crankshafts are usually constructed by ______

A. Casting

B. Drop forging

C. Drawing

D. Extrusion

The question was posed to me in exam.

Asked question is from IC Engine Crankshaft and Camshaft in chapter Internal Combustion Engines of Automobile Engineering

Right choice is B. Drop forging

For explanation I would say: Drop forging is used for making crankshafts.