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Theory of Machine

Theory of Machine
The secondary unbalanced force is maximum __________ in one revolution of the crank.

Two times
Four times
Eight times
Sixteen times

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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)

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

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Theory of Machine
When two links are connected by a pin joint, their instantaneous center lies

At the center of circle
At the pin joint
On their point of contact
At the center of curvature

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Theory of Machine
Klein's construction is useful to determine

Acceleration of various parts
Angular acceleration of various parts
Displacement of various parts
Velocity of various parts

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Theory of Machine
A spring controlled governor is said to be stable if the controlling force line when produced intersects the Y-axis

Above the origin
Below the origin
Any one of these
At the origin

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Theory of Machine
Relationship between the number of links (L) and number of pairs (P) is

P = 2L + 2
P = 2L - 4
P = 2L + 4
P = 2L - 2

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