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Theory of Machine

Theory of Machine
The total number of instantaneous centers for a mechanism consisting of n links are

n - 1
n
n(n - 1)/2
n/2

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Theory of Machine
The size of cam depends upon

Base circle
Prime circle
Pitch circle
Pitch curve

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Theory of Machine
The equivalent length of a simple pendulum which gives the same frequency as a compound pendulum is

h²/(kG² + h²)
h/(kG² + h²)
(kG² + h²)/h²
(kG² + h²)/h

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Theory of Machine
In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as

Tractive force
Swaying couple
Hammer blow
None of these

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Theory of Machine
Any point on a link connecting double slider crank chain will trace a

Circle
Ellipse
Parabola
Straight line

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Theory of Machine
A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is

18.52 N-s/m
52.92 N-s/m
1.4 N-s/m
529.2 N-s/m

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