Engineering Materials For a steel containing 0.8% carbon There is only one critical point There is no critical point There can be any number of critical points There are two critical points There is only one critical point There is no critical point There can be any number of critical points There are two critical points 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 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 slowly in the furnace 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 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 slowly in the furnace ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cartridge brass can be Any one of these Formed into tube Cold rolled into sheets Drawn into wires Any one of these Formed into tube Cold rolled into sheets Drawn into wires ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Vanadium, chromium, tungsten Tungsten, titanium, vanadium Chromium, titanium, vanadium Tungsten, chromium, titanium Vanadium, chromium, tungsten Tungsten, titanium, vanadium Chromium, titanium, vanadium Tungsten, chromium, titanium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 80 RC 48 RC 65 RC 57 RC 80 RC 48 RC 65 RC 57 ANSWER DOWNLOAD EXAMIANS APP
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