Machine Design
Which of the following screw thread is adopted for power transmission in either direction?

Buttress threads
Acme threads
Square threads
Multiple threads

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Machine Design
Cap screws are

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

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Machine Design
When the belt is transmitting maximum power,

None of these
The tension in tight side is thrice the centrifugal tension
The tension in tight side is twice the centrifugal tension
The tension in slack side is equal to the centrifugal tension

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