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Machine Design

Machine Design
Crushing resistance required to crush the rivet per pitch length is

p.d.σc
p.t.σc
n.d.t.σc
(p - d) t.σc

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Machine Design
In a full journal bearing, the angle of contact of the bearing with the journal is

360°
270°
180°
120°

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

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

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Machine Design
A chain drive transmits __________ power as compared to belt drive.

More
Less
Same
None of these

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Machine Design
For maximum power, the velocity of the belt will be

√(T/3m)
None of these
√(T/m)
√(T/2m)

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Machine Design
The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is

Larger/smaller depending on diameter of spring coil
Larger
Smaller
Equal

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