Q. If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach

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Q. In a circular arc cam with roller follower, the acceleration in any position of the lift will depend only upon

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Q. 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

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Q. The factor which affects the critical speed of a shaft is

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Q. The partial balancing of reciprocating parts in locomotives produces

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Q. The pair is known as a higher pair, when the relative motion between the elements of a pair is

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Q. When the connection between the two elements is such that only required kind of relative motion occurs, it is known as self-closed pair.

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Q. The Whitworth quick return motion mechanism is formed in a slider crank chain when the

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Q. The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is

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Q. The acceleration of the particle moving with simple harmonic motion is inversely proportional to the displacement of the particle from the mean position.

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Q. The maximum and minimum value of the tractive force is given by

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Q. In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called

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Q. In a spring controlled governor, when the controlling force __________ as the radius of rotation increases, it is said to be a stable governor.

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Q. The distance between the centre of suspension and centre of percussion is equal to the equivalent length of a simple pendulum.

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Q. When the body is suspended at the point of suspension, its periodic time and frequency will be __________ as compared to the body suspended at the point of percussion.

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Q. A reed type tachometer use the principle of

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Q. 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)

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Q. When the sleeve of a Porter governor moves upwards, the governor speed

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Q. The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose)

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Q. A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard ?

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