Engineering Materials The toughness of a material __________ when it is heated. None of these Remain same Decreases Increases None of these Remain same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Crystal structure of a material is, generally, examined by Metallurgical microscope X-ray techniques Optical microscope Naked eye Metallurgical microscope X-ray techniques Optical microscope Naked eye ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron ore is usually found in the form of All of these Sulphides Carbonates Oxides All of these Sulphides Carbonates Oxides ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Grain refinement All of these Working at lower temperature Purification of metal Grain refinement All of these Working at lower temperature Purification of metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness is the property of a material due to which it Can be rolled or hammered into thin sheets Breaks with little permanent distortion Can cut another metal Can be drawn into wires Can be rolled or hammered into thin sheets Breaks with little permanent distortion Can cut another metal Can be drawn into wires ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel made from phosphate iron is Brittle Tough Ductile Hard Brittle Tough Ductile Hard ANSWER DOWNLOAD EXAMIANS APP