Machine Design
The resistance to fatigue of a material is measured by

Young's modulus
Ultimate tensile strength
Endurance limit
Elastic limit

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Machine Design
When the speed of belt increases,

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

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Machine Design
In cross or regular lay ropes

Wires are not twisted
Direction of twist of wires and strands are same
Wires in two adjacent strands are twisted in opposite direction
Direction of twist of wires in strands is opposite to the direction of twist of strands

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