Theory of Machine Angle of action of cam is defined as the angle Of rotation of the cam for a definite displacement of the follower Moved by the cam from beginning of ascent to the termination of descent 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 a definite displacement of the follower Moved by the cam from beginning of ascent to the termination of descent 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a hydrodynamic journal bearing, there is A thick film of lubricant between the journal and the bearing A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing A forced lubricant between the journal and the bearing No lubricant between the journal and the bearing A thick film of lubricant between the journal and the bearing A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing A forced lubricant between the journal and the bearing No lubricant between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω² r₁ sinθ ω² (R - r₁) sinθ ω² R cosθ ω² (R - r₁) cosθ ω² r₁ sinθ ω² (R - r₁) sinθ ω² R cosθ ω² (R - r₁) cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by Knuckle joint Oldham's coupling Flexible coupling Universal joint Knuckle joint Oldham's coupling Flexible coupling Universal joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between number of links (l) and number of joints (j) in a kinematic chain is l = (2/3).(j + 2) l = (1/2).(j + 2) l = j + 4 l = (3/4).(j + 3) l = (2/3).(j + 2) l = (1/2).(j + 2) l = j + 4 l = (3/4).(j + 3) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The height of a Watt's governor is Directly proportional to (speed)² Directly proportional to speed Inversely proportional to speed Inversely proportional to (speed)² Directly proportional to (speed)² Directly proportional to speed Inversely proportional to speed Inversely proportional to (speed)² ANSWER DOWNLOAD EXAMIANS APP