Q. A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become

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Q. When a body is subjected to longitudinal vibrations, the stress induced in a body will be tensile or compressive stress.

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Q. Which of the following statement is correct?

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Q. The magnitude of velocities of the points on a rigid link is

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Q. A pendulum type governor is a Watt governor.

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Q. In a single slider crank chain

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Q. The mechanism consisting of three turning pairs and one sliding pair, is called a

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Q. A mechanism __________ for transmitting or transforming motion.

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Q. The distance moved by the valve from one end to the other end is called valve travel.

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Q. The Klein's method of construction for reciprocating engine mechanism

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Q. A Watt's governor is a spring loaded governor.

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Q. The velocity of the rubbing surface __________ with the distance from the axis of the bearing.

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Q. A system of masses rotating in different parallel planes is in dynamic balance if the

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Q. The radial distance from the top of a tooth to the bottom of a tooth in a meshing gear, is called

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Q. A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become

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Q. The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure, is

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Q. In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring)

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Q. The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled governor is

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Q. A rotary internal combustion engine has __________ cylinders.

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Q. The power transmitted by a belt is maximum when the maximum tension in the belt is __________ of centrifugal tension.

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