Theory of Machine The total number of instantaneous centers for a mechanism consisting of n links are n n/2 n(n - 1)/2 n - 1 n n/2 n(n - 1)/2 n - 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The magnitude of linear velocity of a point B on a link AB relative to point A is, (Where ω = Angular velocity of the link AB) (ω × AB)² ω × AB ω² × AB ω × (AB)² (ω × AB)² ω × AB ω² × AB ω × (AB)² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain, is known as Machine Inversion Structure Compound mechanism Machine Inversion Structure Compound mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Flexible coupling is used because It is easy to engage and disengage It transmits shocks gradually It is easy to disassemble It prevents shock transmission and eliminates stress reversals It is easy to engage and disengage It transmits shocks gradually It is easy to disassemble It prevents shock transmission and eliminates stress reversals ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Grubler's criterion for determining the degrees of freedom (n) of a mechanism having plane motion is (where l = Number of links, and j = Number of binary joints) n = 3(l - 1) - 2j n = (l -1) - j n = 4(l - 1) - 3j n = 2(l - 1) - 2j n = 3(l - 1) - 2j n = (l -1) - j n = 4(l - 1) - 3j n = 2(l - 1) - 2j ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing, and R = Radius of bearing surface) (1/2) μ W R (2/3) μ W R (3/4) μ W R μ W R (1/2) μ W R (2/3) μ W R (3/4) μ W R μ W R ANSWER DOWNLOAD EXAMIANS APP
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