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Machine Design

Machine Design
Wahl's stress factor __________ very rapidly as the spring index decreases.

Decreases
None of these
Increases
Remain same

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Machine Design
In cyclic loading, stress concentration is more serious in

Ductile materials
Brittle as well as ductile materials
Elastic materials
Brittle materials

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Machine Design
Ball bearing type screws are found in following application

Aeroplane engines
Screw jack
Crane
Steering mechanism

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Machine Design
The maximum shear stress theory is used for

Plastic materials
Nonferrous materials
Ductile materials
Brittle materials

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Machine Design
In unilateral system of tolerance, the tolerance is allowed on

Both sides of the actual size
One side of the nominal size
One side of the actual size
Both sides of the nominal size

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Machine Design
A hollow shaft will transmit a __________ torque than a solid shaft of the same mass and same material.

None of these
Smaller
Greater
Medium

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