Machine Design
A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is

1 kN-m
2 kN-m
3 kN-m
4 kN-m

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Machine Design
Crowning on pulley helps

To keep the belt in centre on a pulley while it is in motion
To increase pulley life
In increasing the slip of the belt
In decreasing the slip of the belt

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