Engineering Materials A material is said to be allotropic, if it has Any one of the above Atoms distributed in random pattern Different crystal structures at different temperatures Fixed structure at all temperatures Any one of the above Atoms distributed in random pattern Different crystal structures at different temperatures Fixed structure at all temperatures ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Blast furnace produces following by reduction of iron ore Malleable iron Cast iron Pig iron Wrought iron Malleable iron Cast iron Pig iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium 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 Crystal structure of a material is, generally, examined by X-ray techniques Optical microscope Naked eye Metallurgical microscope X-ray techniques Optical microscope Naked eye Metallurgical microscope ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Isotropic materials are those which have the same Elastic properties in all directions Stresses induced in all directions Thermal properties in all directions Electric and magnetic properties in all directions Elastic properties in all directions Stresses induced in all directions Thermal properties in all directions Electric and magnetic properties in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An engineer's hammer is made of High carbon steel Mild steel Cast iron Forged steel High carbon steel Mild steel Cast iron Forged steel ANSWER DOWNLOAD EXAMIANS APP
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