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) μ W R (2/3) μ W R (3/4) μ W R (1/2) μ W R μ W R (2/3) μ W R (3/4) μ W R (1/2) μ W R ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The total number of instantaneous centers for a mechanism consisting of n links are n n - 1 n/2 n(n - 1)/2 n n - 1 n/2 n(n - 1)/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The driving and driven shafts connected by a Hooke's joint will have equal speeds, if tanθ = ± cosα cosθ = sinα sinθ = ± tanα cotθ = cosα tanθ = ± cosα cosθ = sinα sinθ = ± tanα cotθ = cosα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a mechanism, the fixed instantaneous centers are those centers which Vary with the configuration of the mechanism Moves as the mechanism moves, but joints are of permanent nature Remain in the same place for all configurations of the mechanism None of the listed here Vary with the configuration of the mechanism Moves as the mechanism moves, but joints are of permanent nature Remain in the same place for all configurations of the mechanism None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Length of arc of contact is given by Arc of approach × Arc of recess Arc of approach / Arc of recess Arc of approach - Arc of recess Arc of approach + Arc of recess Arc of approach × Arc of recess Arc of approach / Arc of recess Arc of approach - Arc of recess Arc of approach + Arc of recess ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have Elements of pairs not held together mechanically Two elements that permit relative motion Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Point or line contact between the two elements when in motion Surface contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
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