Theory of Machine In a mechanism, the fixed instantaneous centers are those centers which None of the listed here Vary with the configuration of the mechanism Moves as the mechanism moves, but joints are of permanent nature Remain in the same place for all configurations of the mechanism None of the listed here Vary with the configuration of the mechanism Moves as the mechanism moves, but joints are of permanent nature Remain in the same place for all configurations of the mechanism 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 increasing time period Oscillate with decreasing amplitude Return to equilibrium position without oscillation Oscillate with constant amplitude Oscillate with increasing time period Oscillate with decreasing amplitude Return to equilibrium position without oscillation Oscillate with constant amplitude ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The angle of inclination of the plane, at which the body begins to move down the plane is called None of these Angle of friction Angle of repose Angle of projection None of these Angle of friction Angle of repose Angle of projection ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r₁ and r₂ = External and internal radii of collar respectively) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W (r₁ + r₂) (1/2) μ W (r₁ + r₂) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W (r₁ + r₂) (1/2) μ W (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Lower pairs are those which have Two elements that permit relative motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Two elements that permit relative motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become 16 tp tp /16 tp /4 4 tp 16 tp tp /16 tp /4 4 tp ANSWER DOWNLOAD EXAMIANS APP