Theory of Machine The acceleration of the particle moving with simple harmonic motion is _________ at the mean position. None of these Minimum Zero Maximum None of these Minimum Zero Maximum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Lower pairs are those which have Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be isochronous when the controlling force Increases as the radius of rotation decreases Increases as the radius of rotation increases Remain constant for all radii of rotation Decreases as the radius of rotation increases Increases as the radius of rotation decreases Increases as the radius of rotation increases Remain constant for all radii of rotation Decreases as the radius of rotation increases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam) R (1 - cosθ) (R - r₁) (1 - sinθ) (R - r₁) (1 - cosθ) R (1 - sinθ) R (1 - cosθ) (R - r₁) (1 - sinθ) (R - r₁) (1 - cosθ) R (1 - sinθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the axes of the first and last wheels are coaxial, then the train is known as Reverted gear train Compound train of wheels Simple train of wheels Epicyclic gear train Reverted gear train Compound train of wheels Simple train of wheels Epicyclic gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is found unstable. It can be made stable by Decreasing the spring stiffness 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 ANSWER DOWNLOAD EXAMIANS APP