Machine Design
Which one of the following loading is considered for the design of axles?

Twisting moment only
Bending moment only
Combined bending moment and twisting moments
Combined action of bending moment, twisting moment and axial thrust

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Machine Design
An open belt drive is used when

Shafts are arranged parallel and rotate in the same directions
Shafts are arranged parallel and rotate in the opposite directions
Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft
Shafts are arranged at right angles and rotate in one definite direction

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Machine Design
Cold working

Increases the fatigue strength
Has no influence on fatigue strength
Decreases the fatigue strength
Alone has no influence on fatigue strength

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