Theory of Machine Which type of gear train is used in clock mechanism to join hour hand and minute hand? Simple gear train Epicyclic gear train Reverted gear train Compound gear train Simple gear train Epicyclic gear train Reverted gear train Compound gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard? The centre of the disc has zero acceleration The point on the disc making contact with the plane surface has zero acceleration All points of the disc have the same velocity The centre of the disc has centrifugal acceleration The centre of the disc has zero acceleration The point on the disc making contact with the plane surface has zero acceleration All points of the disc have the same velocity The centre of the disc has centrifugal acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A. A triangle A straight line Two lines A point A triangle A straight line Two lines A point A triangle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) (1/2π). √(q/I) 2π. √(q/I) 1/2π 2π qI (1/2π). √(q/I) 2π. √(q/I) 1/2π 2π qI ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, the amplitude of vibration Increases exponentially with time Decreases exponentially with time Increases linearly with time Decreases linearly with time Increases exponentially with time Decreases exponentially with time Increases linearly with time Decreases linearly with time ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of ascent of cam is defined as the angle During which the follower returns to its initial position Of rotation of the cam for a definite displacement of the follower Through which the cam rotates during the period in which the follower remains in highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position During which the follower returns to its initial position Of rotation of the cam for a definite displacement of the follower Through which the cam rotates during the period in which the follower remains in highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position ANSWER DOWNLOAD EXAMIANS APP