Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ½μWR ¾μWR ²/₃ μWR μwr ½μWR ¾μWR ²/₃ μWR μwr ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform wear, is (3/4) μ W R cosecα (1/2) μ W R cosecα (2/3) μ W R cosecα μ W R cosecα (3/4) μ W R cosecα (1/2) μ W R cosecα (2/3) μ W R cosecα μ W R cosecα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is __________ the primary unbalanced force. One-half 1/n times Two-third n times One-half 1/n times Two-third n times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Sensitiveness of the governor is defined as the ratio of the Mean speed to the minimum equilibrium speed Sum of the maximum and minimum equilibrium speeds to the mean speed Difference of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the maximum equilibrium speed Mean speed to the minimum equilibrium speed Sum of the maximum and minimum equilibrium speeds to the mean speed Difference of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the maximum equilibrium speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Two systems shall be dynamically equivalent when M.I. of two about an axis through e.g. is equal The mass of two are same All of these G. of two coincides M.I. of two about an axis through e.g. is equal The mass of two are same All of these G. of two coincides ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 ANSWER DOWNLOAD EXAMIANS APP