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Theory of Machine

Theory of Machine
The behaviour of gases can be fully determined by

4 laws
2 laws
1 law
3 laws

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Theory of Machine
The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where δ = Static deflection of a simply supported shaft due to the point load)

0.6253/√δ
0.5615/√δ
0.571/√δ
0.4985/√δ

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Theory of Machine
In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle θ, the angular velocity of the connecting rod is given by

ω cosθ/(n² - cos²θ)1/2
ω cosθ/(n² - sin²θ)1/2
ω sinθ/(n² - cos²θ)1/2
ω sinθ/(n² - sin²θ)1/2

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Theory of Machine
The lower pair is a

Open pair
Sliding pair
Point contact pair
Closed pair

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Theory of Machine
A point on a connecting link (excluding end points) of a double slider crank mechanism traces a

Hyperbolic path
Parabolic path
Elliptical path
Straight line path

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Theory of Machine
The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.

Corners
Inner edge
Outer edge
None of these

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