Theory of Machine Which of the following is an open pair? Ball and socket joint Journal bearing Cam and follower Lead screw and nut Ball and socket joint Journal bearing Cam and follower Lead screw and nut ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is found unstable. It can be made stable by Decreasing the ball mass Increasing the spring stiffness Increasing the ball mass Decreasing the spring stiffness Decreasing the ball mass Increasing the spring stiffness Increasing the ball mass Decreasing the spring stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pitch point on a cam is The point on cam pitch curve having the maximum pressure angle Any point on pitch curve The point on cam pitch curve having the minimum pressure angle Any point on pitch circle The point on cam pitch curve having the maximum pressure angle Any point on pitch curve The point on cam pitch curve having the minimum pressure angle Any point on pitch circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 6π Hz 3π Hz 6 Hz 3 Hz 6π Hz 3π Hz 6 Hz 3 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where δS = Static deflection of simply supported shaft due to uniformly distributed load) 0.5615/ √δS 0.4985/ √δS 0.6253/ √δS 0.571/ √δS 0.5615/ √δS 0.4985/ √δS 0.6253/ √δS 0.571/ √δS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be To raise the stern and lower the bow To raise the bow and lower the stern To raise the bow and stern To lower the bow and stern To raise the stern and lower the bow To raise the bow and lower the stern To raise the bow and stern To lower the bow and stern ANSWER DOWNLOAD EXAMIANS APP
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