Engineering Materials The surface hardness of the following order is achieved by nitriding operation 250 VPN 1500 VPN 1000 to 1100 VPN 600 VPN 250 VPN 1500 VPN 1000 to 1100 VPN 600 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material in which the atoms are arranged regularly in some directions but not in others, is called Crystalline material Mesomorphous material None of these Amorphous material Crystalline material Mesomorphous material None of these Amorphous material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In a hardening process, the hypo-eutectoid steel is Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated below or closes to the lower critical temperature and then cooled slowly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Muntz metal contains copper and zinc in the ratio of 2.1180555555556 0.88888888888889 40 : 60 2.5277777777778 2.1180555555556 0.88888888888889 40 : 60 2.5277777777778 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Increase hardenability Increase wear resistance Increase endurance strength Reduce machinability Increase hardenability Increase wear resistance Increase endurance strength Reduce machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron ore is usually found in the form of Sulphides All of these Oxides Carbonates Sulphides All of these Oxides Carbonates ANSWER DOWNLOAD EXAMIANS APP
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