Engineering Materials Smelting is the process of All of these Reducing the ore with carbon in the presence of a flux Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Removing the impurities like clay, sand etc. from the iron ore by washing with water All of these Reducing the ore with carbon in the presence of a flux Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Removing the impurities like clay, sand etc. from the iron ore by washing with water ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Modify the structure of the material Any one of these Change grain size Relieve the stresses set up in the material after hot or cold working Modify the structure of the material Any one of these Change grain size Relieve the stresses set up in the material after hot or cold working ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White metal contains Silver and chromium Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc 63 to 67% nickel and 30% copper Silver and chromium Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc 63 to 67% nickel and 30% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is an amorphous material? Glass Silver Lead Mica Glass Silver Lead Mica ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is basically a Core hardening process Surface hardening process None of these Carburising process Core hardening process Surface hardening process None of these Carburising process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Crystal structure of a material is, generally, examined by Naked eye Metallurgical microscope X-ray techniques Optical microscope Naked eye Metallurgical microscope X-ray techniques Optical microscope ANSWER DOWNLOAD EXAMIANS APP