Theory of Machine In a coupling rod of a locomotive, each of the four pairs is a ________ pair. Turning Sliding Screw Rolling Turning Sliding Screw Rolling ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Whitworth quick return motion mechanism is formed in a slider crank chain when the Coupler link is fixed Longest link is a fixed link Smallest link is a fixed link Slider is a fixed link Coupler link is fixed Longest link is a fixed link Smallest link is a fixed link Slider is a fixed link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to Minimize the effect of secondary forces Minimize the effect of primary forces Have perfect balancing To start the locomotive quickly Minimize the effect of secondary forces Minimize the effect of primary forces Have perfect balancing To start the locomotive quickly ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine 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) μwr ¾μWR ½μWR ²/₃ μWR μwr ¾μWR ½μWR ²/₃ μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine 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 clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) ω₁.ω₂.r (ω₁ - ω₂)2r (ω₁ - ω₂)r (ω₁ + ω₂)r ω₁.ω₂.r (ω₁ - ω₂)2r (ω₁ - ω₂)r (ω₁ + ω₂)r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A reed type tachometer use the principle of Torsional vibration Transverse vibration Longitudinal vibration Damped free vibration Torsional vibration Transverse vibration Longitudinal vibration Damped free vibration ANSWER DOWNLOAD EXAMIANS APP
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