Machine Design
The ratio of driving tensions in V-belt drives is __________ flat belt drives.

sin α times more than
cosec α times more than
sin α times less than
Equal to

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

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

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