Theory of Machine What is the number of instantaneous centers for an eight link mechanism? 15 8 28 30 15 8 28 30 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
Theory of Machine Angle of descent of cam is defined as the angle 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 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 the 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders, are placed at 180° to each other 120° to each other 90° to each other 45° to each other 180° to each other 120° to each other 90° to each other 45° to each other ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a spring controlled governor, when the controlling force ____ as the radius of rotation increases, it is said to be a stable governor. Increases None of the listed here Remains constant Decreases Increases None of the listed here Remains constant Decreases 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. Infinity Zero Any -ve value Any +ve value Infinity Zero Any -ve value Any +ve value ANSWER DOWNLOAD EXAMIANS APP