Machine Design Residual stress in materials Becomes zero when external load is removed Is always harmful Acts when external load is applied Is independent of external loads Becomes zero when external load is removed Is always harmful Acts when external load is applied Is independent of external loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design For circumferential joint in boilers, the type of joint used is Butt joint with double cover plate Butt joint with single cover plate Lap joint with one ring overlapping the other Any one of the above Butt joint with double cover plate Butt joint with single cover plate Lap joint with one ring overlapping the other Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value? Maximum principal stress theory Maximum shear stress theory Maximum distortion energy theory Maximum strain energy theory Maximum principal stress theory Maximum shear stress theory Maximum distortion energy theory Maximum strain energy theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design The modulus of elasticity for mild steel is approximately equal to 210 kN/mm² 110 kN/mm² 80 kN/mm² 100 kN/mm² 210 kN/mm² 110 kN/mm² 80 kN/mm² 100 kN/mm² 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) 2 Pc 1 Pc 3 Pc Pc/3 2 Pc 1 Pc 3 Pc Pc/3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if its efficiency is None of these Equal to 50% Less than 50% More than 50% None of these Equal to 50% Less than 50% More than 50% ANSWER DOWNLOAD EXAMIANS APP
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