Theory of Machine For an involute gear, the ratio of base circle radius and pitch circle radius is equal to cosecφ sinφ secφ cosφ cosecφ sinφ secφ cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links Could change or remain unaltered depending on which link is fixed Will remain same Will change Will not occur Could change or remain unaltered depending on which link is fixed Will remain same Will change Will not occur ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively) (2/3). μ W (r₁ + r₂) (1/2). μ W (r₁ + r₂) (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W (r₁ + r₂) (1/2). μ W (r₁ + r₂) (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links in pantograph mechanism is equal to 5 4 3 2 5 4 3 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The total number of instantaneous centers for a mechanism consisting of n links are n n - 1 n/2 n(n - 1)/2 n n - 1 n/2 n(n - 1)/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Shaft tends to vibrate in longitudinal direction Combination of transverse and longitudinal vibration occurs Torsional vibrations occur Shaft tends to vibrate vigorously in transverse direction Shaft tends to vibrate in longitudinal direction Combination of transverse and longitudinal vibration occurs Torsional vibrations occur Shaft tends to vibrate vigorously in transverse direction ANSWER DOWNLOAD EXAMIANS APP
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