Q. The relative velocity of B with respect to A in a rigid link AB is

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Q. In a pantograph, all the pairs are

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Q. The equation of free vibrations of a system is , Its natural frequency is

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Q. When the primary direct crank of a reciprocating engine makes an angle of θ with the line of stroke, then the secondary direct crank will make an angle of __________ with the line of stroke.

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Q. The frequency of oscillation of a compound pendulum is (where kG = Radius of gyration about the centroidal axis, and h = Distance between the point of suspension and C.G. of the body.)

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Q. The relation between number of links (l) and number of joints (j) in a kinematic chain is

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Q. Two heavy rotating masses are connected by shafts of lengths l1, l2 and l3 and the corresponding diameters are d1, d2 and d3. This system is reduced to a torsionally equivalent system having uniform diameter d = d1 of the shaft. The equivalent length of the shaft is

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Q. The Klein's diagram is used when

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Q. The minimum periodic time of a compound pendulum is

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Q. An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called

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Q. Which of the following statement is correct?

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Q. A mechanism consisting of more than four links is called a compound mechanism.

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Q. In a simple train of wheels, if the number of intermediate wheels is odd, the motion of the follower will be same as that of the driver.

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Q. Which of the following is a pendulum type governor?

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Q. The angle of inclination of the plane, at which the body begins to move down the plane is called

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Q. The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in

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Q. The centre of gravity of a coupler link in a four bar mechanism will experience

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Q. If the number of links in a mechanism are equal to l, then the number of possible inversions are equal to

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Q. Effort of a governor is the

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Q. The pressure angle for involute gears depends upon the size of teeth.

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