Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 20 34 10 30 20 34 10 30 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Kutzbach criterion for determining the number of degrees of freedom (n) is (where l = number of links, j = number of joints and h = number of higher pairs) n = 3(l - 1) - 2j - h n = 3(l - 1) - 3j - h n = 2(l - 1) - 2j - h n = 2(l - 1) - 3j - h n = 3(l - 1) - 2j - h n = 3(l - 1) - 3j - h n = 2(l - 1) - 2j - h n = 2(l - 1) - 3j - h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of ascent of cam is defined as the angle Through which the cam rotates during the period in which the follower remains in highest position Of rotation of the cam for a definite displacement of the follower Moved by the cam from the instant the follower begins to rise, till it reaches its highest position During which the follower returns to its initial position Through which the cam rotates during the period in which the follower remains in highest position Of rotation of the cam for a definite displacement of the follower Moved by the cam from the instant the follower begins to rise, till it reaches its highest position During which the follower returns to its initial position ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an inversion of a double slider crank chain? Scotch yoke mechanism Oldham's coupling All of these Elliptical trammel Scotch yoke mechanism Oldham's coupling All of these Elliptical trammel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the anticlockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) ω₁.ω₂.r (ω₁ - ω₂) 2r (ω₁ - ω₂) r (ω₁ + ω₂) r ω₁.ω₂.r (ω₁ - ω₂) 2r (ω₁ - ω₂) r (ω₁ + ω₂) r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that Governor B is more sensitive than governor A Both governors A and B are equally sensitive None of these Governor A is more sensitive than governor B Governor B is more sensitive than governor A Both governors A and B are equally sensitive None of these Governor A is more sensitive than governor B ANSWER DOWNLOAD EXAMIANS APP