Q. The essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where l1 and l2 = Distance of two masses from the centre of gravity of the body, and kG = Radius of gyration of the body)

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Q. A Porter governor is a

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Q. The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the lengm of connecting rod to radius of crank)

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Q. A type-writer constitutes a machine.

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Q. Due to slip of belt, the velocity ratio of the belt drive increases.

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Q. When the sleeve of a Porter governor moves downwards, the governor speed

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Q. When one of the links of a kinematic chain is fixed, the chain is known as a

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Q. The natural frequency of free transverse vibrations of a shaft fixed at both ends and carrying a uniformly distributed load is 0.571/δS , where δS is the static deflection of a shaft fixed at both ends and carrying a uniformly distributed load.

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Q. When brakes are applied to all the four wheels of a moving car, the distance travelled by the car before it is brought to rest, will be

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Q. In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called

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Q. In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient.

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Q. A body in motion will be subjected to coriolis acceleration when that body is

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Q. The rolling of a complete ship side-ways is known as pitching of a ship.

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Q. The frictional torque transmitted by a disc or plate clutch is same as that of

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Q. In a disc clutch, if there are n1 number of discs on the driving shaft and n2 number of discs on the driven shaft, then the number of pairs of contact surfaces will be

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Q. The power of a Porter governor is equal to

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Q. The effect of swaying couple in a locomotive is resisted by the side pressure between the flanges of the tyres of the wheel and the inside of the rails.

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Q. The Klein's diagram is useful to find

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Q. The equation of motion for a single degree of freedom system with viscous damping is . The damping ratio of the system is

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Q. In a mechanism, the fixed instantaneous centres are those centres which

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