Machine Design A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as Internal bevel gears Angular bevel gears Mitre gears Crown Bevel gears Internal bevel gears Angular bevel gears Mitre gears Crown Bevel gears ANSWER DOWNLOAD EXAMIANS APP
Machine Design If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by ZN/p Z/pN p/ZN N/Zp ZN/p Z/pN p/ZN N/Zp ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a material fails below its yield point, failure would be due to Straining Creep Sudden loading Fatigue Straining Creep Sudden loading Fatigue ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/4 d/6 d/8 d/2 d/4 d/6 d/8 d/2 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 Gd3/ 8D3n Gd⁴/ 4D3n Gd⁴/ 8D²n Gd⁴/ 8D3n Gd3/ 8D3n Gd⁴/ 4D3n Gd⁴/ 8D²n ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by Remain unaffected with cross-section area Decreasing the cross-section area of bar Increasing the cross-section area of bar Would depend upon other factors Remain unaffected with cross-section area Decreasing the cross-section area of bar Increasing the cross-section area of bar Would depend upon other factors ANSWER DOWNLOAD EXAMIANS APP
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