Theory of Machine For an involute gear, the ratio of base circle radius and pitch circle radius is equal to cosecφ secφ sinφ cosφ cosecφ secφ sinφ cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a coupling rod of a locomotive, each of the four pairs is a ________ pair. Sliding Turning Rolling Screw Sliding Turning Rolling Screw ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at high speed of the rotor, reaction on the left bearing is R. The right side of the bearing is shifted to a new position 2L apart from the left bearing. At the same rotor speed, dynamic reaction on the left bearing in the new arrangement will Become equal to 2R Become equal to R/4 Become equal to R/2 Remain same as before Become equal to 2R Become equal to R/4 Become equal to R/2 Remain same as before ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 90° and 180° 180° and 360° 0° and 180° 0° and 90° 90° and 180° 180° and 360° 0° and 180° 0° and 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The inversion of a mechanism is Turning its upside down Obtained by reversing the input and output motion Obtained by fixing different links in a kinematic chain Changing of a higher pair to a lower pair Turning its upside down Obtained by reversing the input and output motion Obtained by fixing different links in a kinematic chain Changing of a higher pair to a lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the damping factor for a vibrating system is unity, then the system will be Under damped Without vibrations Critically damped Over damped Under damped Without vibrations Critically damped Over damped ANSWER DOWNLOAD EXAMIANS APP