Machine Design According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be 63 to 70% 70 to 83% 45 to 60% 80 to 90% 63 to 70% 70 to 83% 45 to 60% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that None of these Shaft A is better than shaft B Both the shafts are equally good Shaft B is better than shaft A None of these Shaft A is better than shaft B Both the shafts are equally good Shaft B is better than shaft A ANSWER DOWNLOAD EXAMIANS APP
Machine Design An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by All of these Increasing the length of bar Decreasing the cross-sectional area of the bar Decreasing the modulus of elasticity of the bar All of these Increasing the length of bar Decreasing the cross-sectional area of the bar Decreasing the modulus of elasticity of the bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt is designed on the basis of __________ with a large factor of safety. Direct shear stress Direct compressive stress Direct bending stress Direct tensile stress Direct shear stress Direct compressive stress Direct bending stress Direct tensile stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The endurance limit of a material with finished surface in comparison to rough surface is Less More or less depending on quantum of load More Same Less More or less depending on quantum of load More Same ANSWER DOWNLOAD EXAMIANS APP
Machine Design Brittle coating technique is used for Protecting metal against corrosion Protecting metal against wear and tear Experimental stress analysis Determining brittleness Protecting metal against corrosion Protecting metal against wear and tear Experimental stress analysis Determining brittleness ANSWER DOWNLOAD EXAMIANS APP
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