Theory of Machine The Whitworth quick return motion mechanism is formed in a slider crank chain when the Smallest link is a fixed link Coupler link is fixed Longest link is a fixed link Slider is a fixed link Smallest link is a fixed link Coupler link is fixed Longest link is a fixed link Slider is a fixed link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a rigid link OA, velocity of 'A' w.r.t. 'O' will be At 45° to OA Along AO Parallel to OA Perpendicular to OA At 45° to OA Along AO Parallel to OA Perpendicular to OA ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the axes of the first and last wheels are coaxial, then the train is known as Epicyclic gear train Simple train of wheels Compound train of wheels Reverted gear train Epicyclic gear train Simple train of wheels Compound train of wheels Reverted gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is obtained from lower pair? Gyroscope All of these Valve and valve gears Pantograph Gyroscope All of these Valve and valve gears Pantograph ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because The shafts are rotating at very high speeds Bearing centre line coincides with the axis The system is unbalanced Resonance is caused due to the heavy mass of the rotor The shafts are rotating at very high speeds Bearing centre line coincides with the axis The system is unbalanced Resonance is caused due to the heavy mass of the rotor 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 primary forces Minimize the effect of secondary forces Have perfect balancing To start the locomotive quickly Minimize the effect of primary forces Minimize the effect of secondary forces Have perfect balancing To start the locomotive quickly ANSWER DOWNLOAD EXAMIANS APP
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