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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Q. The maximum displacement of a body, from its mean position is called amplitude.

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Q. In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle θ, the angular velocity of the connecting rod is given by

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Q. The total number of instantaneous centres for a mechanism consisting of n links are

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Q. The acceleration of a particle moving with simple harmonic motion, at any instant is given by

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Q. The partial balancing means

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Q. Which of the following statement is correct as regard to the difference between a machine and a structure?

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