Theory of Machine Which of the following is a lower pair? Ball and socket i Piston and cylinder Cam and follower Both (A) and (B) above Ball and socket i Piston and cylinder Cam and follower Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to Have perfect balancing To start the locomotive quickly Minimize the effect of primary forces Minimize the effect of secondary forces Have perfect balancing To start the locomotive quickly Minimize the effect of primary forces Minimize the effect of secondary forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as Spiral gearing Helical gearing Bevel gearing Spur gearing Spiral gearing Helical gearing Bevel gearing Spur gearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cam angle is defined as the angle Through which, the cam rotates during the period in which the follower remains in the highest position During which the follower returns to its initial position Moved by the cam from the instant the follower begins to rise, till it reaches its highest 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 the highest position During which the follower returns to its initial position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for a definite displacement of the follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum or minimum value of the swaying couple is ± c.m.ω².r ± (a/√2) (1 - c) m.ω².r ± a (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ± c.m.ω².r ± (a/√2) (1 - c) m.ω².r ± a (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Whitworth quick return motion mechanism is formed in a slider crank chain when the Coupler link is fixed Longest link is a fixed link Slider is a fixed link Smallest link is a fixed link Coupler link is fixed Longest link is a fixed link Slider is a fixed link Smallest link is a fixed link ANSWER DOWNLOAD EXAMIANS APP