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

Shear stress
Longitudinal stress
None of these
Circumferential stress

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Machine Design
When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will

Move towards right of the bearing making no metal to metal contact
Have contact at the bottom most of the bearing
Move towards left of the bearing making metal to metal contact
Move towards right of the bearing making the metal to metal contact

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