Engineering Materials Steel contains 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper 80% or more iron 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper 80% or more iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Aids fusibility and fluidity Make the iron white and hard Increases hardness and brittleness Makes the iron soft and easily machinable Aids fusibility and fluidity Make the iron white and hard Increases hardness and brittleness Makes the iron soft and easily machinable ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Crystal structure of a material is, generally, examined by Metallurgical microscope Naked eye Optical microscope X-ray techniques Metallurgical microscope Naked eye Optical microscope X-ray techniques ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Acidic solution is one which has pH value pH value has nothing to do with neutral solution Equal to 7 Greater than 7 Less than 7 pH value has nothing to do with neutral solution Equal to 7 Greater than 7 Less than 7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Duralumin Y-alloy Hindalium Magnalium Duralumin Y-alloy Hindalium Magnalium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Malleability of a material can be defined as Ability to undergo large permanent deformations in compression Ability to recover its original form All of these Ability to undergo large permanent deformations in tension Ability to undergo large permanent deformations in compression Ability to recover its original form All of these Ability to undergo large permanent deformations in tension ANSWER DOWNLOAD EXAMIANS APP