Theory of Machine The total number of instantaneous centers for a mechanism consisting of n links are n(n - 1)/2 n - 1 n n/2 n(n - 1)/2 n - 1 n n/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is an approximate straight line motion mechanism? Grasshopper mechanism All of these Robert's mechanism Watt's mechanism Grasshopper mechanism All of these Robert's mechanism Watt's mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an isochronous Hartnell governor (where r₁ and r₂ = Maximum and minimum radius of rotation of balls respectively, S₁ and S₂ = Maximum and minimum force exerted on the sleeve respectively, and M = Mass on the sleeve) S₁/S₂ = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ (m.g + S₁)/(m.g + S₂) = r₁/r₂ S₂/S₁ = r₁/r₂ S₁/S₂ = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ (m.g + S₁)/(m.g + S₂) = r₁/r₂ S₂/S₁ = r₁/r₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an open pair, the two elements of a pair Have a line or point contact when in motion Are not held together mechanically Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Are not held together mechanically Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion 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 decreasing amplitude Return to equilibrium position without oscillation Oscillate with increasing time period Oscillate with constant amplitude Oscillate with decreasing amplitude Return to equilibrium position without oscillation Oscillate with increasing time period Oscillate with constant amplitude ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have two elements that Are held together Permit relative motion Have line contact Have surface contact Are held together Permit relative motion Have line contact Have surface contact ANSWER DOWNLOAD EXAMIANS APP