Theory of Machine If there are L number of links in a mechanism, then number of possible inversions is equal to L L + 2 L + 1 L - 1 L L + 2 L + 1 L - 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to G².I₂ I₂/G² I₂/G G.I₂ G².I₂ I₂/G² I₂/G G.I₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum fluctuation of speed is the Sum of maximum and minimum speeds Difference of minimum fluctuation of speed and the mean speed Variations of speed above and below the mean resisting torque line Difference of the maximum and minimum speeds Sum of maximum and minimum speeds Difference of minimum fluctuation of speed and the mean speed Variations of speed above and below the mean resisting torque line Difference of the maximum and minimum speeds ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve) m/(m + M) M/(m + M) (m + M)/M (m + M)/m m/(m + M) M/(m + M) (m + M)/M (m + M)/m 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 Return to equilibrium position without oscillation Oscillate with constant amplitude Oscillate with decreasing amplitude Oscillate with increasing time period Return to equilibrium position without oscillation Oscillate with constant amplitude Oscillate with decreasing amplitude Oscillate with increasing time period ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Higher pairs are those which have Elements of pairs not held together mechanically Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP