Machine Design Shaft coupling is used in machinery to Introduce mechanical flexibility All of these Reduce the transmission of shock loads Introduce protection against over loads Introduce mechanical flexibility All of these Reduce the transmission of shock loads Introduce protection against over loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Lewis form factor for 14½° composite and full depth involute system is (where T = Number of teeth) 0.154 - (0.912/T) 0.124 - (0.684/T) None of these 0.175 - (0.841/T) 0.154 - (0.912/T) 0.124 - (0.684/T) None of these 0.175 - (0.841/T) 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 3.0 3.5 2.8 2.5 3.0 3.5 2.8 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A universal coupling is used to connect two shafts Have lateral misalignment Whose axes intersect at a small angle Which are not in exact alignment Which are perfectly aligned Have lateral misalignment Whose axes intersect at a small angle Which are not in exact alignment Which are perfectly aligned ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves Axially downwards None of these Axially upwards Axially upwards or downwards Axially downwards None of these Axially upwards Axially upwards or downwards ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that All of these The effect of the restraining action of the heads at the end of the pressure vessel is neglected The tensile stresses are uniformly distributed over the section of the walls The effect of curvature of the cylinder wall is neglected All of these The effect of the restraining action of the heads at the end of the pressure vessel is neglected The tensile stresses are uniformly distributed over the section of the walls The effect of curvature of the cylinder wall is neglected ANSWER DOWNLOAD EXAMIANS APP
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