Theory of Machine The advantage of the piston valve over the slide valve is that in the former case The pressure developed being high provides tight sealing Wear is less Both wear and power absorbed are low Power absorbed is less The pressure developed being high provides tight sealing Wear is less Both wear and power absorbed are low Power absorbed is less ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism forms a structure, when the number of degrees of freedom (n) is equal to -1 1 2 -1 1 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The main disadvantage of the sliding pair is that it is Difficult to manufacture Both (A) and (B) above Wears rapidly Bulky Difficult to manufacture Both (A) and (B) above Wears rapidly Bulky ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to double the period of a simple pendulum, the length of the string should be Doubled None of these Halved Quadrupled Doubled None of these Halved Quadrupled ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose) ω² × OQ sinθ ω² × OQ cosθ ω² × OQ tanθ ω² × OQ ω² × OQ sinθ ω² × OQ cosθ ω² × OQ tanθ ω² × OQ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Tangential acceleration direction is Opposite to angular velocity Perpendicular to angular velocity Along the angular velocity May be any one of these Opposite to angular velocity Perpendicular to angular velocity Along the angular velocity May be any one of these ANSWER DOWNLOAD EXAMIANS APP