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Machine Design

Machine Design
For maximum power, the velocity of the belt will be

None of these
√(T/m)
√(T/2m)
√(T/3m)

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Machine Design
When a helical compression spring is cut into halves, the stiffness of the resulting spring will be

One-fourth
One-half
Double
Same

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Machine Design
The application of third type levers is found in

Hand wheel of a punching press
A pair of tongs
Handle of a hand pump
Lever of a loaded safety valve

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Machine Design
Maximum principal stress theory is applicable for

Elastic materials
All of these
Brittle materials
Ductile materials

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Machine Design
The valve rod in a steam engine is connected to an eccentric rod by

Bolted joint
Universal coupling
Cotter joint
Knuckle joint

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Machine Design
A locking device extensively used in marine type connecting rod ends is a

Castle nut
Sawn nut
Jam nut
Ring nut

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