In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is constant, then
(a) open belt drive is recommended
(b) crossed belt drive is recommended
(c) both open belt drive and crossed belt drive is recommended
(d) the drive is recommended depending upon the torque transmitted
I have been asked this question during a job interview.
This is a very interesting question from Types of Belts topic in section Belt, Rope and Chain Drives of Machine Kinematics