Q. Which of the following governor is used to drive a gramophone?

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Q. In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to

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Q. The ball and socket joint is an example of screw pair.

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Q. A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the

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Q. Which of the following statement is wrong?

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Q. When the particles of a body moves perpendicular to its axis, then the body is said to have

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Q. A sliding pair has a completely constrained motion.

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Q. Power of a governor is the

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Q. The power from the engine to the rear axle of an automobile is transmitted by means of

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Q. A flywheel is used to control the mean speed of an engine caused by the variations in load.

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Q. The equivalent length of a simple pendulum which gives the same frequency as a compound pendulum is

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Q. The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called

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Q. The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle)

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Q. When the crank is at the inner dead centre, in a reciprocating steam engine, then the acceleration of the piston will be

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Q. When the tip of a tooth undercuts the root on its mating gear, it is known as interference.

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Q. Under logarithmic decrement, the amplitude of successive vibrations are

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Q. The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction)

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Q. A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected by an arm. The number of turns made by the smaller gear for one revolution of arm about the centre of bigger gear is

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Q. In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is Constant, then

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Q. The critical speed of a shaft depends upon its

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