Theory of Machine The relation between number of pairs (p) forming a kinematic chain and the number of links (l) is l = 2p - 2 l = 2p - 5 l = 2p - 4 l = 2p - 3 l = 2p - 2 l = 2p - 5 l = 2p - 4 l = 2p - 3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve) M/(m + M) m/(m + M) (m + M)/m (m + M)/M M/(m + M) m/(m + M) (m + M)/m (m + M)/M 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 (1 - sinθ) (R - r₁) (1 - cosθ) (R - r₁) (1 - sinθ) R (1 - cosθ) R (1 - sinθ) (R - r₁) (1 - cosθ) (R - r₁) (1 - sinθ) 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 is _________ when the crank OC and connecting rod PC are at right angles to each other. Any -ve value Infinity Zero Any +ve value Any -ve value Infinity Zero Any +ve value ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For simple harmonic motion of the of follower, a cosine curve represents All of these Displacement diagram Velocity diagram Acceleration diagram All of these Displacement diagram Velocity diagram Acceleration diagram ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Shaft tends to vibrate vigorously in transverse direction Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate in longitudinal direction Torsional vibrations occur Shaft tends to vibrate vigorously in transverse direction Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate in longitudinal direction Torsional vibrations occur ANSWER DOWNLOAD EXAMIANS APP
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