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Theory of Machine

Theory of Machine
The acceleration of the particle moving with simple harmonic motion is _________ at the mean position.

Zero
None of these
Maximum
Minimum

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Theory of Machine
The number of links in pantograph mechanism is equal to

3
4
2
5

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Theory of Machine
Throw of a cam is the maximum distance of the follower from

Prime circle
Pitch circle
Root circle
Base circle

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Theory of Machine
The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body)

0.4985/√δ
1/2π × √(s/m)
1/2π × √(g/δ)
Any one of the listed here

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Theory of Machine
Klein's construction can be used when

Crank has non-uniform velocity
Crank has uniform angular acceleration
Crank has uniform angular velocity and angular acceleration
Crank has a uniform angular velocity

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Theory of Machine
The condition for correct steering of a Davis steering gear is (where α = Angle of inclination of the links to the vertical)

cosα = c/b
tanα = c/2b
sinα = b/c
cotα = c/2b

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