Machine Design
The coefficient of friction between the belt and pulley depends upon the

Speed of belt
Slip of belt
Material of belt and pulley
All of these

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
For unequal width of butt straps, the thicknesses of butt straps are

0.75 t for wide strap on the inside and 0.625 t for narrow strap on the outside
0.75 t for both the straps on the inside and outside
0.625 t for both the straps on the inside and outside
0.75 t for narrow strap on the inside and 0.625 t for wide strap on the outside

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing

Is maximum at zero speed and decreases monotonically with increase in speed
Remains constant at all speeds
Becomes minimum at an optimum speed and then increases with further increase in speed
Is minimum at zero speed and increases monotonically with increase in speed

ANSWER DOWNLOAD EXAMIANS APP