Theory of Machine A spring controlled governor is found unstable. It can be made stable by Increasing the spring stiffness Decreasing the spring stiffness Decreasing the ball mass Increasing the ball mass Increasing the spring stiffness Decreasing the spring stiffness Decreasing the ball mass Increasing the ball mass ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by Flexible coupling Knuckle joint Oldham's coupling Universal joint Flexible coupling Knuckle joint Oldham's coupling Universal joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and min. radii of rotation, x = Length of ball arm of the lever, and y = Length of sleeve arm of the lever) (r₁ - r₂) (x/y) (r₁ + r₂) (x/y) (r₁ + r₂) (y/x) (r₁ - r₂) (y/x) (r₁ - r₂) (x/y) (r₁ + r₂) (x/y) (r₁ + r₂) (y/x) (r₁ - r₂) (y/x) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the rubbing surface __________ with the distance from the axis of the bearing. Increases None of these Remain same Decreases Increases None of these Remain same Decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called Exhaust lap None of these Lead Steam lap Exhaust lap None of these Lead Steam lap ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a circular arc cam with roller follower, the acceleration in any position of the lift will depend only upon Total lift, centre of gravity of the cam and cam speed Mass of cam follower linkage, spring stiffness and cam speed Total lift, total angle of lift, minimum radius of cam and cam speed Radius of circular arc, cam speed, location of centre of circular arc and roller diameter Total lift, centre of gravity of the cam and cam speed Mass of cam follower linkage, spring stiffness and cam speed Total lift, total angle of lift, minimum radius of cam and cam speed Radius of circular arc, cam speed, location of centre of circular arc and roller diameter ANSWER DOWNLOAD EXAMIANS APP
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