Machine Design
When the speed of belt increases,

The power transmitted will increase
The power transmitted will decrease
The coefficient of friction between the belt and pulley decreases
The coefficient of friction between the belt and pulley increases

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Machine Design
According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter of rivet hole (d) is obtained by

Equating tearing resistance of the plate to the shearing resistance of the rivets
Equating tearing resistance of the plate to the crushing resistance of the rivets
None of these
Equating shearing resistance to the crushing resistance of the rivets

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