Theory of Machine When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a Self-closed pair Force-closed pair Lower pair Higher pair Self-closed pair Force-closed pair Lower pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Idler pulley is used All of the listed here For changing the direction of motion of the belt For applying tension For increasing velocity ratio All of the listed here For changing the direction of motion of the belt For applying tension For increasing velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the damping factor for a vibrating system is unity, then the system will be Critically damped Under damped Without vibrations Over damped Critically damped Under damped Without vibrations Over damped ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has 3 links 2 links 4 links 5 links 3 links 2 links 4 links 5 links ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of dwell of cam is defined as the angle Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for 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 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The contact ratio is given by (Length of the arc of approach)/cosφ (Length of path of recess)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of path of recess)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of the path of approach)/(Circular pitch) ANSWER DOWNLOAD EXAMIANS APP