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Machine Design

Machine Design
The strength of the unriveted plate (P) per pitch length is equal to

p.t.σt
(p - d) t.σt
(p - d) σt
p.d.σt

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Machine Design
The included angle for the V-belt is usually

40°-60°
60°-80°
10°-20°
30°-40°

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Machine Design
A special case of ductility which permits materials to be rolled or hammered into thin sheets, is called

Plasticity
Malleability
Ductility
Elasticity

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Machine Design
A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is

2 kN-m
4 kN-m
3 kN-m
1 kN-m

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Machine Design
The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads.

Double
Three times
Same
Four times

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Machine Design
Which of the following is an anti-friction bearing?

Needle bearing
Collar bearing
Journal bearing
Pedestal bearing

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