Machine Design
Which of the following statement is correct, for two shafts connected in parallel?

Shear stress in each shaft is the same
Torsional stiffness of each shaft is the same
Torque in each shaft is the same
Angle of twist of each shaft is the same

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Machine Design
Coaxing is the procedure of increasing

Fatigue limit by over-stressing the metal by successively increasing loadings
Metal hardness by surface treatment
Metal resistance to corrosion by coating
Metal strength by cycling

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Machine Design
In case of V belt drive

The belt should touch the bottom of groove in the pulley
None of these
The belt should not touch the bottom of groove in the pulley
The belt should not touch the sides of groove in the pulley

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