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Machine Design

Machine Design
If a spring is cut down into two springs, the stiffness of cut springs will be

Double
None of these
Same
Half

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Machine Design
For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual number of teeth (T) is

1/cosθ
1/sinθ
1/tanθ
sinθ cosθ

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Machine Design
The yield point in static loading is __________ as compared to fatigue loading.

None of these
Same
Higher
Lower

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

None of these
√(T/m)
√(T/2m)
√(T/3m)

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Machine Design
The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod)

1.2 d
0.5 d
0.8 d
d

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Machine Design
In a steam engine, the valve rod is connected to an eccentric rod by means of

Knuckle joint
Universal joint
Cotter joint
Flange coupling

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