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) Pc/3 1 Pc 3 Pc 2 Pc Pc/3 1 Pc 3 Pc 2 Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hot short metal is Ductile at high temperature Brittle when cold Brittle when hot Brittle under all conditions Ductile at high temperature Brittle when cold Brittle when hot Brittle under all conditions 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to Prevent the belt joint from damaging the belt surface Increase the belt velocity Prevent the belt from running off the pulley Increase the power transmission capacity Prevent the belt joint from damaging the belt surface Increase the belt velocity Prevent the belt from running off the pulley Increase the power transmission capacity ANSWER DOWNLOAD EXAMIANS APP
Machine Design The effective stress in wire ropes during normal working is equal to the stress due to Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to acceleration/retardation Bending plus stress due to acceleration/retardation Axial load plus stress due to bending Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to acceleration/retardation Bending plus stress due to acceleration/retardation Axial load plus stress due to bending ANSWER DOWNLOAD EXAMIANS APP
Machine Design The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard specimen can withstand without failure, for infinite number of cycles, when subjected to Static load Dynamic load Completely reversed load Static as well as dynamic load Static load Dynamic load Completely reversed load Static as well as dynamic load ANSWER DOWNLOAD EXAMIANS APP
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