Machine Design According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be 70 to 83% 45 to 60% 63 to 70% 80 to 90% 70 to 83% 45 to 60% 63 to 70% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Machine Design Resistance to fatigue of a material is measured by Coefficient of elasticity Young's modulus Elastic limit Endurance limit Coefficient of elasticity Young's modulus Elastic limit Endurance limit ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.5 3.5 2.8 3.0 2.5 3.5 2.8 3.0 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be a self locking screw, if its efficiency is None of these More than 50% Less than 50% Equal to 50% None of these More than 50% Less than 50% Equal to 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to Bending stresses All of these Shear stresses Combined bending and shear stresses Bending stresses All of these Shear stresses Combined bending and shear stresses ANSWER DOWNLOAD EXAMIANS APP
Machine Design A thin spherical shell of internal diameter d is subjected to an internal pressure p. If σt is the tensile stress for the shell material, then thickness of shell is equal to pd/2σt pd/3σt pd/σt pd/4σt pd/2σt pd/3σt pd/σt pd/4σt ANSWER DOWNLOAD EXAMIANS APP
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