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Theory of Machine

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
Torsional vibrations are said to occur when the particles of a body moves

None of these
Perpendicular to its axis
In a circle about its axis
Parallel to its axis

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Theory of Machine
When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the ________ pulley must be taken into consideration.

Larger
Smaller
Smaller OR Larger
None of the listed here

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Theory of Machine
A body having moment of inertia o:m2 is rotating at 210 RPM and r with another body at rest having I 40 kg m2. The resultant speed after ing will be

90 RPM
data are insufficient
100 RPM
80 RPM

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Theory of Machine
The frictional torque transmitted in a conical pivot bearing, considering uniform wear, is

(2/3) μ W R cosecα
μ W R cosecα
(3/4) μ W R cosecα
(1/2) μ W R cosecα

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Theory of Machine
When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be

Unstable
Isochronous
None of these
Stable

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