Theory of Machine The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body) 1/2π × √(g/δ) 0.4985/√δ 1/2π × √(s/m) Any one of the listed here 1/2π × √(g/δ) 0.4985/√δ 1/2π × √(s/m) Any one of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whitworth quick return mechanism is obtained by inversion of Kinematic chain Five link mechanism Slider crank mechanism Roller cam mechanism Kinematic chain Five link mechanism Slider crank mechanism Roller cam mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum value of the pressure angle in case of cam is kept as 14° 30° 10° 20° 14° 30° 10° 20° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an example of sliding pair? Shaft with collars at both ends fitted into a circular hole Ball and a socket joint Piston and cylinder of a reciprocating steam engine Lead screw of a lathe with nut Shaft with collars at both ends fitted into a circular hole Ball and a socket joint Piston and cylinder of a reciprocating steam engine Lead screw of a lathe with nut ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be unstable when the controlling force Decreases as the radius of rotation increases Remains constant for all radii of rotation Increases as the radius of rotation increases Increases as the radius of rotation decreases Decreases as the radius of rotation increases Remains constant for all radii of rotation Increases as the radius of rotation increases Increases as the radius of rotation decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Power of a governor is the Work-done at the sleeve for maximum equilibrium speed None of these Mean force exerted at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed Work-done at the sleeve for maximum equilibrium speed None of these Mean force exerted at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed ANSWER DOWNLOAD EXAMIANS APP