Q. A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is

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Q. When two pulleys are connected by means of an open belt drive, then both the pulleys will rotate is opposite directions.

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Q. A mechanism consisting of four links is called a __________ mechanism.

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Q. The amplitude of vibration is always __________ the radius of the circle.

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Q. An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the

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Q. In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is

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Q. The coriolis component of acceleration is taken into account for

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Q. The flank of the tooth is the surface of the tooth __________ the pitch surface.

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Q. The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r1 and r2 = External and internal radii of collar respectively)

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Q. The inertia force is equal to the accelerating force in magnitude, but opposite in direction.

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Q. Which of the following is a turning pair?

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Q. In a simple train of wheels, the velocity ratio __________ the intermediate wheels.

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Q. The two elements of a pair are said to form a higher pair, when they

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Q. The maximum fluctuation of energy is the

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Q. The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain, is known as

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Q. Which of the following is an inversion of a single slider crank chain?

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Q. A very sensitive governor will cause hunting.

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Q. In a radial cam, the follower moves

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Q. The piston slide valve is an inside admission valve.

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Q. The critical speed of a shaft in revolution per second is __________ as that of natural frequency of transverse vibration.

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