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))

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

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Machine Design
Cold working

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

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