Theory of Machine A spring controlled governor is found unstable. It can be made stable by Decreasing the ball mass Increasing the spring stiffness Decreasing the spring stiffness Increasing the ball mass Decreasing the ball mass Increasing the spring stiffness Decreasing the spring stiffness Increasing the ball mass ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The absolute acceleration of any point ‘P’ in a link about center of rotation ‘O’ is Perpendicular to PO Along PO At 45° to PO None of the listed here Perpendicular to PO Along PO At 45° to PO None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become 8 fn fn/2 2 fn 4 fn 8 fn fn/2 2 fn 4 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from 50°- 60° 80°- 90° 60°-70° 70°- 80° 50°- 60° 80°- 90° 60°-70° 70°- 80° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be cor, 0 0, and more than co2r 0, and less than coV 0, 0 cor, 0 0, and more than co2r 0, and less than coV 0, 0 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Effort of a governor is the Work-done at the sleeve for maximum equilibrium speed None of these Mean force exerted at the sleeve for a given percentage change of speed Mean force exerted at the sleeve for maximum equilibrium speed Work-done at the sleeve for maximum equilibrium speed None of these Mean force exerted at the sleeve for a given percentage change of speed Mean force exerted at the sleeve for maximum equilibrium speed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS