Engineering Materials Crystal structure of a material is, generally, examined by Naked eye X-ray techniques Metallurgical microscope Optical microscope Naked eye X-ray techniques Metallurgical microscope Optical microscope ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Elinvar Invar Nichrome Magnin Elinvar Invar Nichrome Magnin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin, lead and silver Tin and copper Tin and lead Tin, lead and small percentage of antimony Tin, lead and silver Tin and copper Tin and lead Tin, lead and small percentage of antimony ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. Decreases Increases Does not effect None of these Decreases Increases Does not effect None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled In still air Any one of these Suddenly in a suitable cooling medium Slowly in the furnace In still air Any one of these Suddenly in a suitable cooling medium Slowly in the furnace 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
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