Theory of Machine Higher pairs are those which have Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a turning pair? Shaft with collars at both ends fitted into a circular hole Piston and cylinder of a reciprocating steam engine Ball and a socket joint Lead screw of a lathe with nut Shaft with collars at both ends fitted into a circular hole Piston and cylinder of a reciprocating steam engine Ball and a socket joint Lead screw of a lathe with nut ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be stable if the controlling force line when produced intersects the Y-axis At the origin Above the origin Any one of these Below the origin At the origin Above the origin Any one of these Below the origin ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The condition for correct steering of a Davis steering gear is (where α = Angle of inclination of the links to the vertical) sinα = b/c cotα = c/2b cosα = c/b tanα = c/2b sinα = b/c cotα = c/2b cosα = c/b tanα = c/2b ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A completely constrained motion can be transmitted with. 3 links with pin joints 4 links with pin joints 2 links with pin joints 1 link with pin joints 3 links with pin joints 4 links with pin joints 2 links with pin joints 1 link with pin joints ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The main disadvantage of the sliding pair is that it is Wears rapidly Both (A) and (B) above Difficult to manufacture Bulky Wears rapidly Both (A) and (B) above Difficult to manufacture Bulky ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS