Machine Design Screws used for power transmission should have High efficiency Low efficiency Very fine threads Strong teeth High efficiency Low efficiency Very fine threads Strong teeth ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to W/2 8W/9 W/9 2W/3 W/2 8W/9 W/9 2W/3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Slenderness ratio is the ratio of Effective length of column to width of column Width of column to depth of column Effective length of column to least radius of gyration of the column Maximum size of column to minimum size of column Effective length of column to width of column Width of column to depth of column Effective length of column to least radius of gyration of the column Maximum size of column to minimum size of column ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress induced in the belt is, Direct shear stress Compressive stress Tensile stress Torsional shear stress Direct shear stress Compressive stress Tensile stress Torsional shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The power transmitted by the belt drive can be increased by Dressing the belt to increase the coefficient of friction Increasing wrap angle by using idler pulley All of these Increasing the initial tension in the belt Dressing the belt to increase the coefficient of friction Increasing wrap angle by using idler pulley All of these Increasing the initial tension in the belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flange coupling, the bolts are subjected to Compressive stress None of these Tensile stress Shear stress Compressive stress None of these Tensile stress Shear stress ANSWER DOWNLOAD EXAMIANS APP