EXAMIANS
For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that
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Flexible coupling is used because
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The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel, but intersect is
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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 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 anticlockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O)
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Which of the following is a turning pair?
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A reed type tachometer use the principle of
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The Coriolis component of acceleration leads the sliding velocity by
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The frictional torque transmitted in a conical pivot bearing with assumption of uniform pressure is __________ as compared to uniform wear.
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The method of direct and reverse cranks is used in engines for
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