Machine Design
In levers, leverage is the ratio of

Mechanical advantage to the velocity ratio
Load arm to the effort arm
Load lifted to the effort applied
Effort arm to the load arm

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Machine Design
Pitch point of a cam is

A point on the pitch curve having maximum pressure angle
A point on the pitch curve having minimum pressure angle
Any point on the pitch circle
Any point on the pitch curve

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Machine Design
In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that

The effect of curvature of the cylinder wall is neglected
The effect of the restraining action of the heads at the end of the pressure vessel is neglected
The tensile stresses are uniformly distributed over the section of the walls
All of these

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