Machine Design When a metal or alloy is cold worked, None of these It is worked below recrystallization temperature Its hardness and strength increases Both (A) and (B) None of these It is worked below recrystallization temperature Its hardness and strength increases Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The endurance limit of a material with finished surface in comparison to rough surface is More Less More or less depending on quantum of load Same More Less More or less depending on quantum of load Same ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a machine member is subjected to torsion, the torsional shear stress set up in the member is Zero at both the centroidal axis and outer surface of the member Maximum at the centroidal axis and zero at the outer surface of the member Zero at the centroidal axis and maximum at the outer surface of the member Maximum at both the centroidal axis and outer surface of the member Zero at both the centroidal axis and outer surface of the member Maximum at the centroidal axis and zero at the outer surface of the member Zero at the centroidal axis and maximum at the outer surface of the member Maximum at both the centroidal axis and outer surface of the member ANSWER DOWNLOAD EXAMIANS APP
Machine Design When compared to the rod of the same diameter and material, a wire rope Does not provide much warning before failure Is less flexible Provides much greater time for remedial action before failure Has a much smaller load carrying capacity Does not provide much warning before failure Is less flexible Provides much greater time for remedial action before failure Has a much smaller load carrying capacity ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the speed of belt increases, The coefficient of friction between the belt and pulley decreases The power transmitted will increase The coefficient of friction between the belt and pulley increases The power transmitted will decrease The coefficient of friction between the belt and pulley decreases The power transmitted will increase The coefficient of friction between the belt and pulley increases The power transmitted will decrease ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a hydrodynamic lubricated bearing There is no lubricant between the journal and the bearing There is a thin film of lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is a thick film of lubricant between the journal and the bearing There is no lubricant between the journal and the bearing There is a thin film of lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is a thick film of lubricant between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP