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Machine Design

Machine Design
The diameter of the rivet hole is usually __________ the nominal diameter of the rivet.

Equal to
None of these
More than
Less than

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Machine Design
For crank shaft bearings, the ratio of the length of the journal to its diameter is_________.

Less than unity
Equal to 1
None of these
Greater than unity

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Machine Design
Failure of a material is called fatigue when it fails

At the yield point
Below the yield point
At the elastic limit
Below the elastic limit

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Machine Design
The form factor of a helical gear __________ with the increase in the helix angle.

None of these
Decreases
Remains constant
Increases

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Machine Design
The groove angle of the pulley for rope drive is usually

35°
45°
60°
20°

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Machine Design
A machine part subjected to _________ is called a strut.

A tangential force
An axial compressive force
An axial tensile force
Any one of these

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