Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to Prevent the belt joint from damaging the belt surface Increase the belt velocity Prevent the belt from running off the pulley Increase the power transmission capacity Prevent the belt joint from damaging the belt surface Increase the belt velocity Prevent the belt from running off the pulley Increase the power transmission capacity 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 Increasing the cross-section area of bar Remain unaffected with cross-section area Would depend upon other factors Decreasing the cross-section area of bar Increasing the cross-section area of bar Remain unaffected with cross-section area Would depend upon other factors Decreasing the cross-section area of bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to (1/2) × √(M² + T²) (1/2) × [M + √(M² + T²)] M + √(M² + T²) √(M² + T²) (1/2) × √(M² + T²) (1/2) × [M + √(M² + T²)] M + √(M² + T²) √(M² + T²) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called Module Axial pitch Normal pitch Diametral pitch Module Axial pitch Normal pitch Diametral pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to (Where, Pc = tension in belt due to centrifugal force) 3 Pc 1 Pc Pc/3 2 Pc 3 Pc 1 Pc Pc/3 2 Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a beam of rectangular cross-section of width b and depth d, is subjected to a shear force F, the maximum shear stress induced will be 2F/bh 3F/2bh 4F/bh F/bh 2F/bh 3F/2bh 4F/bh F/bh ANSWER DOWNLOAD EXAMIANS APP
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