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 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in A single plane Two planes Three planes Four planes A single plane Two planes Three planes Four planes ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lead screw of a lathe with nut forms a Rolling pair Sliding pair Screw pair Turning pair Rolling pair Sliding pair Screw pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A chain comprises of 5 links having 5 joints. Is it kinematic chain? It is a marginal case Data are insufficient to determine it No Yes It is a marginal case Data are insufficient to determine it No Yes ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to give a complete secondary balance of a multi-cylinder inline engine, The algebraic sum of the secondary forces must be equal to zero The algebraic sum of the couples about any point in the plane of the secondary forces must be equal to zero Both (A) and (B) None of these The algebraic sum of the secondary forces must be equal to zero The algebraic sum of the couples about any point in the plane of the secondary forces must be equal to zero Both (A) and (B) None of these 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 (1 - cosθ) (R - r₁) (1 - cosθ) R (1 - sinθ) (R - r₁) (1 - sinθ) R (1 - cosθ) (R - r₁) (1 - cosθ) R (1 - sinθ) (R - r₁) (1 - sinθ) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS