Machine Design
In case of pressure vessels having open ends, the fluid pressure induces

Circumferential stress
Longitudinal stress
Shear stress
None of these

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Machine Design
Cap screws are

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

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Machine Design
Pitch point of a cam is

Any point on the pitch circle
A point on the pitch curve having minimum pressure angle
A point on the pitch curve having maximum pressure angle
Any point on the pitch curve

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