Machine Design The shock resistance of steel is increased by adding Chromium Nickel Nickel and chromium Cobalt and molybdenum Chromium Nickel Nickel and chromium Cobalt and molybdenum ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° - φ/2 45° + φ/2 90° - φ 45° - φ 45° - φ/2 45° + φ/2 90° - φ 45° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 8D3n Gd⁴/ 4D3n Gd⁴/ 8D²n Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 4D3n Gd⁴/ 8D²n Gd3/ 8D3n ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of V belt drive The belt should not touch the sides of groove in the pulley The belt should not touch the bottom of groove in the pulley None of these The belt should touch the bottom of groove in the pulley The belt should not touch the sides of groove in the pulley The belt should not touch the bottom of groove in the pulley None of these The belt should touch the bottom of groove in the pulley ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in the belt Has no effect on the power transmitted Increases the power transmitted Decreases the power transmitted Is equal to maximum tension on the belt Has no effect on the power transmitted Increases the power transmitted Decreases the power transmitted Is equal to maximum tension on the belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be 10 4 6 8 10 4 6 8 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS