When two pulleys of different diameters are connected by means of an open belt drive, then the angle of contact taken into consideration should be of the
(a) larger pulley
(b) smaller pulley
(c) average of two pulleys
(d) none of the mentioned
The question was asked in examination.
This intriguing question originated from Belt, Rope and Chain Drives topic in chapter Belt, Rope and Chain Drives of Machine Kinematics