Machine Design In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft) d + 17 mm 2d + 20 mm 2d + 13 mm 3.5 d d + 17 mm 2d + 20 mm 2d + 13 mm 3.5 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in static loading is more serious in Depends on other factors Brittle materials Equally serious in both cases Ductile materials Depends on other factors Brittle materials Equally serious in both cases Ductile materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a machine member is subjected to torsion, the torsional shear stress set up in the member is Maximum at the centroidal axis and zero at the outer surface of the member Zero at both the centroidal axis and outer surface of the member Maximum at both the centroidal axis and outer surface of the member Zero at the centroidal axis and maximum at the outer surface of the member Maximum at the centroidal axis and zero at the outer surface of the member Zero at both the centroidal axis and outer surface of the member Maximum at both the centroidal axis and outer surface of the member Zero at the centroidal axis and maximum at the outer surface of the member ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if Friction angle is less than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is less than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is more than helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The buckling load will be maximum for a column, if Both ends of the column are hinged One end of the column is clamped and the other end is free Both ends of the column are clamped One end of the column is hinged and the other end is free Both ends of the column are hinged One end of the column is clamped and the other end is free Both ends of the column are clamped One end of the column is hinged and the other end is free 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 3 2.5 3.5 2.8 3 2.5 3.5 2.8 ANSWER DOWNLOAD EXAMIANS APP
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