Q. The critical speed of a shaft depends upon its

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Q. Which of the following mechanism is an approximate straight line motion mechanism?

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Q. A shaft carrying two rotors at its ends will have

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Q. When a mass of a critically damped single degree of freedom system is deflected from its equilibrium position and released, then it will

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Q. The friction experienced by a body, when at rest, is known as static friction.

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Q. The instantaneous centre of a rigid thin disc rolling on a plane rigid surface is located at

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Q. In a flat collar pivot bearing, the moment due to friction is proportional to

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Q. The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.

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Q. A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance apart. The two masses form an equivalent dynamical system, if

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Q. When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in __________ directions.

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Q. The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship.

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Q. At the node, the shaft remains unaffected by the vibration.

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Q. The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω1 rad/s in the clockwise direction and the link OB turns with angular velocity ω2 rad/s in the anti-clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O)

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Q. When the two elements of a pair have __________ when in motion, it is said to a lower pair.

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Q. The sensitiveness of a governor depends upon the lift of the sleeve.

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Q. The ratio of maximum fluctuation of energy to the workdone per cycle is called

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Q. In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam lap and the angle of advance of the eccentric but keeping constant the travel and lead of the valve, This method will

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Q. The centre of suspension and centre of percussion are not interchangeable.

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Q. The size of cam depends upon

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Q. In an open pair, the two elements of a pair

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