Theory of Machine In order to give the primary balance of the reciprocating parts of a multi-cylinder inline engines The algebraic sum of the couples about any point in the plane of the primary forces must be equal to zero None of these Both (A) and (B) The algebraic sum of the primary forces must be equal to zero The algebraic sum of the couples about any point in the plane of the primary forces must be equal to zero None of these Both (A) and (B) The algebraic sum of the primary forces must be equal to zero 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/2) cosφ r cosφ r tanφ r sinφ (r/2) cosφ r cosφ r tanφ r sinφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is None of these Both (A) and (B) 180° and 360° 0° and 90° None of these Both (A) and (B) 180° and 360° 0° and 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Scott-Russell mechanism consists of Sliding and turning pairs Sliding pairs only Sliding and rotary pairs Turning and rotary pairs Sliding and turning pairs Sliding pairs only Sliding and rotary pairs Turning and rotary pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If there are L number of links in a mechanism, then number of possible inversions is equal to L + 1 L + 2 L - 1 L L + 1 L + 2 L - 1 L 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 CS / 2CE W CE / CS 2 W CE / CS W CE / 2CS W CS / 2CE W CE / CS 2 W CE / CS W CE / 2CS ANSWER DOWNLOAD EXAMIANS APP
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