Engineering Materials Hardness of martensite is about RC 80 RC 57 RC 48 RC 65 RC 80 RC 57 RC 48 RC 65 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Increase hardenability Increase endurance strength Increase wear resistance Reduce machinability Increase hardenability Increase endurance strength Increase wear resistance Reduce machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pearlite consists of 6.67% carbon and 93.33% iron 13% cementite and 87% ferrite 13% ferrite and 87% cementite 13% carbon and 87% ferrite 6.67% carbon and 93.33% iron 13% cementite and 87% ferrite 13% ferrite and 87% cementite 13% carbon and 87% ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dye penetrant method is generally used to locate Surface defects Temporary defects Core defects Superficial defects Surface defects Temporary defects Core defects Superficial defects ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Closed packed hexagonal space lattice is found in None of these Alpha-iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth Gamma-iron, aluminium, copper, lead, silver and nickel None of these Alpha-iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth Gamma-iron, aluminium, copper, lead, silver and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio 30 : 70 2.9375 40 : 60 2.1180555555556 30 : 70 2.9375 40 : 60 2.1180555555556 ANSWER DOWNLOAD EXAMIANS APP