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

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

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Machine Design
Cap screws are

Provided with detachable caps
Slotted for a screw driver and generally used with a nut
Similar to small size tap bolts except that a greater variety of shapes of heads are available
Used to prevent relative motion between parts

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