Machine Design
When the belt is transmitting maximum power, the belt speed should be(Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N))

√(Pmax / 3m)
√(3m /Pmax)
√(Pmax / 2m)
√(Pmax / m)

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Machine Design
A bolt of uniform strength can be developed by

Keeping the nominal diameter of threads equal to the diameter of unthreaded portion of the bolt
None of these
Keeping the core diameter smaller than the diameter of the unthreaded portion
Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt

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Machine Design
When the belt is transmitting maximum power,

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

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