Machine Design The process which improves the machinability of steels, but lowers the hardness and tensile strength is Full annealing Spheroidising Normalising Process annealing Full annealing Spheroidising Normalising Process annealing ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of thick cylinders, the tangential stress across the thickness of cylinder is Maximum at the inner surface and minimum at the outer surface Maximum at the inner surface and zero at the outer surface Maximum at the outer surface and zero at the inner surface Maximum at the outer surface and minimum at the inner surface Maximum at the inner surface and minimum at the outer surface Maximum at the inner surface and zero at the outer surface Maximum at the outer surface and zero at the inner surface Maximum at the outer surface and minimum at the inner surface 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 The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. Double One-third One-fourth One-half Double One-third One-fourth One-half ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following bearing is preferred for oscillating conditions? Taper roller bearing Double row roller bearing Needle roller bearing Angular contact single row ball bearing Taper roller bearing Double row roller bearing Needle roller bearing Angular contact single row ball bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The angle of twist of shaft is Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)² Inversely proportional to (shaft diameter)² Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)² Inversely proportional to (shaft diameter)² ANSWER DOWNLOAD EXAMIANS APP
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