Theory of Machine Crowning on pulleys helps In decreasing the slip of the belt In increasing velocity ratio For automatic adjustment of belt position so that belt runs centrally Increase belt and pulley life In decreasing the slip of the belt In increasing velocity ratio For automatic adjustment of belt position so that belt runs centrally Increase belt and pulley life ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The method of direct and reverse cranks is used in engines for Kinematic analysis The control of speed fluctuations Vibration analysis Balancing of forces and couples Kinematic analysis The control of speed fluctuations Vibration analysis Balancing of forces and couples ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which type of gearing is used in steering system of an automobile? Worm and wheel Rack and pinion Spiral gears None of the listed here Worm and wheel Rack and pinion Spiral gears None of the listed here 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. Zero Infinity Any +ve value Any -ve value Zero Infinity Any +ve value Any -ve value ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of spherical pair is Ball and socket joint Lead screw of a lathe Bolt and nut Ball bearing and roller bearing Ball and socket joint Lead screw of a lathe Bolt and nut Ball bearing and roller bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The total number of instantaneous centers for a mechanism consisting of n links are n(n - 1)/2 n - 1 n n/2 n(n - 1)/2 n - 1 n n/2 ANSWER DOWNLOAD EXAMIANS APP