Machine Design
The maximum shear stress theory is used for

Plastic materials
Ductile materials
Nonferrous materials
Brittle materials

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

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Machine Design
In a hydrodynamic lubricated bearing

The lubricant is forced between the journal and the bearing, by external pressure
There is a thick film of lubricant between the journal and the bearing
There is a thin film of lubricant between the journal and the bearing
There is no lubricant between the journal and the bearing

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