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/ 4D3n Gd⁴/ 8D3n Gd3/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n Gd⁴/ 8D3n Gd3/ 8D3n Gd⁴/ 8D²n ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical gears, the distance between similar faces of adjacent teeth along a helix on the pitch cylinders normal to the teeth, is called Module Axial pitch Normal pitch Diametral pitch Module Axial pitch Normal pitch Diametral pitch 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 Increasing the initial tension in the belt All of these Dressing the belt to increase the coefficient of friction Increasing wrap angle by using idler pulley Increasing the initial tension in the belt All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Antifriction bearings are Sleeve bearings None of these Thin lubricated bearings Hydrodynamic bearings Sleeve bearings None of these Thin lubricated bearings Hydrodynamic bearings ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which one of the following is a positive drive? Rope drive Chain drive Crossed flat belt drive V-belt drive Rope drive Chain drive Crossed flat belt drive V-belt drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design Resilience of a material is important, when it is subjected to Fatigue Thermal stresses Shock loading Combined loading Fatigue Thermal stresses Shock loading Combined loading ANSWER DOWNLOAD EXAMIANS APP
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