a) It stores energy during power stroke and returns back the same energy during the idle strokes, providing a rotary motion
b) It carries ring gear that meshes with the pinion of starting motor
c) It is used to join the connecting rod to piston
d) It serves the purpose of a pulley for transmitting power

Answer: c
Explanation: Flywheel is a regulator consisting of heavy wheel that stores kinetic energy and smooth’s the operation of a reciprocating engine. The third option refers to the function of a piston pin which provides a flexible or hinge like connection between piston and the connecting rod.