Theory of Machine The inversion of a mechanism is Changing of a higher pair to a lower pair Turning its upside down Obtained by fixing different links in a kinematic chain Obtained by reversing the input and output motion Changing of a higher pair to a lower pair Turning its upside down Obtained by fixing different links in a kinematic chain Obtained by reversing the input and output motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hart mechanism has Four links Eight links Six links Twelve links Four links Eight links Six links Twelve links 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 The C.G. of a link in any mechanism would experience Angular acceleration Linear acceleration No acceleration Both angular and linear accelerations Angular acceleration Linear acceleration No acceleration Both angular and linear accelerations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Power of a governor is the None of these Work-done at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed None of these Work-done at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a mass of a critically damped single degree of freedom system is deflected from its equilibrium position and released, then it will Oscillate with increasing time period Oscillate with decreasing amplitude Oscillate with constant amplitude Return to equilibrium position without oscillation Oscillate with increasing time period Oscillate with decreasing amplitude Oscillate with constant amplitude Return to equilibrium position without oscillation ANSWER DOWNLOAD EXAMIANS APP
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