956Mechanical EngineeringMedium
Crowning on pulleys helps________?
Ain increasing velocity ratio
Bin decreasing the slip of the belt
Cincrease belt and pulley life
Dfor automatic adjustment of belt posi-tion so that belt runs centrally
Enone of the above
Correct answer
D. for automatic adjustment of belt posi-tion so that belt runs centrally
Explanation
The correct answer is for automatic adjustment of belt posi-tion so that belt runs centrally.