EXAMIANS
In a simple train of wheels, the velocity ratio __________ the intermediate wheels.
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When the axes of the first and last wheels are coaxial, then the train is known as
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The frequency of oscillation of a torsional pendulum is
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The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle)
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In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links
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An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called
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Two heavy rotating masses are connected by shafts of lengths l₁, l₂ and l₃ and the corresponding diameters are d₁, d₂ and d₃. This system is reduced to a torsionally equivalent system having uniform diameter d = d₁ of the shaft. The equivalent length of the shaft is
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The unbalanced force due to revolving masses
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The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing)
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A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is
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