less than
equal to
more than
none of these
45 Degree
60 Degree
70 Degree
80 Degree
(0.124 -(0.684/T))
(0.154 -(0.912/T))
(0.175 -(0.841/T))
reducing
increasing
remains same
varies linearly
is uniform throughout
varies exponentially, being more near the torque-input end
varies exponentially, being less near the torque-input end