Engineering Materials Iron ore is usually found in the form of Sulphides Oxides Carbonates All of these Sulphides Oxides Carbonates All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chilled cast iron has A low percentage of graphite A very high percentage of graphite No graphite Graphite as its basic constituent of composition A low percentage of graphite A very high percentage of graphite No graphite Graphite as its basic constituent of composition ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is basically a None of these Carburising process Surface hardening process Core hardening process None of these Carburising process Surface hardening process Core hardening process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is known as allotropic or polymorphic if it Has a fixed structure under all conditions Exists in several crystal forms at different temperatures Responds to heat treatment Has its atoms distributed in a random pattern Has a fixed structure under all conditions Exists in several crystal forms at different temperatures Responds to heat treatment Has its atoms distributed in a random pattern ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The cupola is used to manufacture Steel Pig iron Cast iron Wrought iron Steel Pig iron Cast iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP