Machine Design
When the bolt is very yielding as compared to the connected members, then the resultant load on the bolt will be equal to the

Sum of the initial tension and external load applied
Initial tension or external load, whichever is greater
Initial tension
External load applied

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Machine Design
The plasticity is the property of a material which enables it to

Resist fracture due to high impact loads
Draw into wires by the application of a tensile force
Retain deformation produced under load permanently
Regain its original shape after deformation when the external forces are removed

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Machine Design
When the belt is transmitting maximum power,

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

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