Q. The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to

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Q. A point on a connecting link (excluding end points) of a double slider crank mechanism traces a

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Q. The coefficient of friction is the ratio of the limiting friction to the normal reaction between the two bodies.

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Q. A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by

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Q. When the connection between the elements forming a pair is such that the constrained motion is not completed by itself, but by some other means, the motion is said to be a completely constrained motion,

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Q. In gears, interference takes place when

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Q. The ratio of maximum fluctuation of speed to the mean speed is called

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Q. Which of the following statement is correct for involute gears?

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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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