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) (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 μ W R ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The instantaneous center of a rigid thin disc rolling on a plane rigid surface is located at The point of contact An infinite distance on the plane surface The center of the disc The point on the circumference situated vertically opposite to the contact point The point of contact An infinite distance on the plane surface The center of the disc The point on the circumference situated vertically opposite to the contact point ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of a particle at any instant has two components i.e. radial component and tangential component. These two components will be Perpendicular to each other Parallel to each other Opposite to each other Inclined at 45° Perpendicular to each other Parallel to each other Opposite to each other Inclined at 45° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line Joining the corresponding points Not possible to determine with these data At 45° to line as per (A) Perpendicular to line as per (A) Joining the corresponding points Not possible to determine with these data At 45° to line as per (A) Perpendicular to line as per (A) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an inversion of Single slider crank chain? Oldham’s coupling Rotary engine Beam engine Elliptical trammel Oldham’s coupling Rotary engine Beam engine Elliptical trammel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Relationship between the number of links (L) and number of pairs (P) is P = 2L - 2 P = 2L - 4 P = 2L + 4 P = 2L + 2 P = 2L - 2 P = 2L - 4 P = 2L + 4 P = 2L + 2 ANSWER DOWNLOAD EXAMIANS APP