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Machine Design

Machine Design
Guest's theory is used for

Brittle materials
Plastic materials
Ductile materials
Elastic materials

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Machine Design
A steel containing 0.8% carbon is known as

Hypo-eutectoid steel
None of these
Hypereutectoid steel
Eutectoid steel

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Machine Design
In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to

Reduce slip
Reduce vibration
Ensure uniform loading
Ensure proper alignment

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Machine Design
When an open coiled helical compression spring is subjected to an axial compressive load, the stress induced in the wire is

Bending stress
Shear stress
Compressive stress
Tensile stress

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Machine Design
If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to

Diameter of bolt
1.25 × diameter of bolt
1.5 × diameter of bolt
0.75 × diameter of bolt

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Machine Design
In a journal bearing, the load on the bearing is __________ to the axis of the journal.

Both A and B
None of these
Perpendicular
Parallel

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