Theory of Machine If there are L number of links in a mechanism, then number of possible inversions is equal to L + 2 L L + 1 L - 1 L + 2 L L + 1 L - 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of dwell of cam is defined as the angle Through which the cam rotates during the period in which the follower remains in the highest position Of rotation of the cam for definite displacement of the follower 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 Through which the cam rotates during the period in which the follower remains in the highest position Of rotation of the cam for definite displacement of the follower 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a circular arc cam with roller follower, the acceleration in any position of the lift will depend only upon Radius of circular arc, cam speed, location of centre of circular arc and roller diameter Total lift, centre of gravity of the cam and cam speed Total lift, total angle of lift, minimum radius of cam and cam speed Mass of cam follower linkage, spring stiffness and cam speed Radius of circular arc, cam speed, location of centre of circular arc and roller diameter Total lift, centre of gravity of the cam and cam speed Total lift, total angle of lift, minimum radius of cam and cam speed Mass of cam follower linkage, spring stiffness and cam speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO. The acceleration of the piston P with respect to the crank-pin C is given by ω² × CN ω² × QN ω² × NO ω² × CO ω² × CN ω² × QN ω² × NO ω² × CO ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin) I ω ωP (1/2).Iω² (1/2). I ω ωP Iω² I ω ωP (1/2).Iω² (1/2). I ω ωP Iω² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pair is a Open pair Point contact pair Sliding pair Closed pair Open pair Point contact pair Sliding pair Closed pair ANSWER DOWNLOAD EXAMIANS APP
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