Q. A railway bridge is an example of a machine.

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Q. Scott Russell's mechanism is made up of sliding pair.

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Q. Which of the following is an example of a higher pair ?

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Q. The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by

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Q. Which of the following property of the instantaneous centre is correct ?

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Q. The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft)

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Q. If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be

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Q. The Grubler's criterion for determining the degrees of freedom (n) of a mechanism having plane motion is (where l = Number of links, and j = Number of binary joints)

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Q. In a Hartnell governor, if a spring of greater stiffness is used, then the governor will be

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Q. The included angle for the V-belt is usually

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Q. In a steam engine, the link constitutes a

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

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Q. In a kinematic chain, a quaternary joint is equivalent to

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Q. For dynamic balancing of a shaft

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Q. The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone)

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Q. The natural frequency of free transverse vibrations is same as that of free longitudinal vibrations.

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Q. The throw of the eccentric is equal to the valve travel.

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Q. The addendum is the radial distance of tooth from the pitch circle to the top of the tooth.

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Q. A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

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Q. The height of a Watt's governor (in metres) is equal to (where N = Speed of the arm and ball about the spindle axis)

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