Theory of Machine The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed. Ratio Product Difference Sum Ratio Product Difference Sum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by W CE / CS W CE / 2CS W CS / 2CE 2 W CE / CS W CE / CS W CE / 2CS W CS / 2CE 2 W CE / CS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pair is known as a higher pair, when the relative motion between the elements of a pair is Rolling only Turning only Partly turning and partly sliding Sliding only Rolling only Turning only Partly turning and partly sliding Sliding only ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of dwell of cam is defined as the angle During which the follower returns to its initial position Of rotation of the cam for definite displacement of the follower Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Through which the cam rotates during the period in which the follower remains in the highest position During which the follower returns to its initial position Of rotation of the cam for definite displacement of the follower Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Through which the cam rotates during the period in which the follower remains in the highest position ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r cosφ r tanφ r sinφ (r/2) cosφ r cosφ r tanφ r sinφ (r/2) cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Bifilar suspension method is used to determine Centripetal acceleration Natural frequency of vibration Moment of inertia Position of balancing weights Centripetal acceleration Natural frequency of vibration Moment of inertia Position of balancing weights ANSWER DOWNLOAD EXAMIANS APP