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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Q. Which of the following statements regarding laws governing the friction between dry surfaces are correct?

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

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Q. A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a

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Q. A link or element need not to be a rigid body, but it must be a resistant body.

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Q. The velocity of the belt for maximum power is (where m = Mass of the belt in kg per metre length)

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Q. In a band and block brake, the ratio of tensions on tight side and slack side of the band is (where μ = Coefficient of friction between the blocks and the drum, θ = Semi-angle of each block subtending at the centre of drum, and n = Number of blocks)

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Q. When there is a reduction in amplitude over every cycle of vibration, then the body is said to have

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Q. In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without interference is

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Q. A system in dynamic balance implies that

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Q. The example of completely constrained motion is a

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Q. In involute gears, the pressure angle is

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Q. A shaft carrying three rotors will have

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Q. Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment?

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Q. The ratio of driving tensions for rope drive is same as that of V-belt drive.

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