Theory of Machine If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal to l l - 1 l - 2 l + 1 l l - 1 l - 2 l + 1 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 = 2(l - 1) - 2j - h n = 3(l - 1) - 3j - h n = 2(l - 1) - 3j - h n = 3(l - 1) - 2j - h n = 2(l - 1) - 2j - h n = 3(l - 1) - 3j - h n = 2(l - 1) - 3j - h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam) (R - r₁) (1 - cosθ) (R - r₁) (1 - sinθ) R (1 - sinθ) R (1 - cosθ) (R - r₁) (1 - cosθ) (R - r₁) (1 - sinθ) R (1 - sinθ) R (1 - cosθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as Helical gearing Spur gearing Bevel gearing Spiral gearing Helical gearing Spur gearing Bevel gearing Spiral gearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A watt's governor can work satisfactorily at speeds from 100 to 200 r.p.m. 200 to 300 r.p.m. 60 to 80 r.p.m. 80 to 100 r.p.m. 100 to 200 r.p.m. 200 to 300 r.p.m. 60 to 80 r.p.m. 80 to 100 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statements regarding laws governing the friction between dry surfaces are correct? The friction force is directly proportional to the normal force. The friction force is dependent on the materials of the contact surfaces. All of these The friction force is independent of me area of contact. The friction force is directly proportional to the normal force. The friction force is dependent on the materials of the contact surfaces. All of these The friction force is independent of me area of contact. ANSWER DOWNLOAD EXAMIANS APP
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