ENGINEERING MATERIALS QUIZ

Malleable iron

Pig iron

Cast iron

Wrought iron

Soft and gives a fine grained crystalline structure

Soft and gives a coarse grained crystalline structure

Hard and gives a coarse grained crystalline structure

Hard and gives a fine grained crystalline structure

Austenite

Pearlite

Cementite

Ferrite

Improvement of casting characteristics

Improving machinability

Improvement of corrosion resistance

One of the best known age and precipitation hardening systems

0.008

0.0026

0.00025

0.017

At which crystals first start forming from molten metal when it is cooled

At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated

At which change of allotropic form takes place

At which crystals grow bigger in size

Improvement of casting characteristics

Improvement of corrosion resistance

One of the best known age and precipitation hardening systems

Improving machinability

Nodular aggregates of graphite

Flakes

Free carbon

Cementite

Drawn into wires

Formed into tube

Cold rolled into sheets

Any one of these

Nickel, molybdenum

Nickel, lead and tin

Nickel, copper

Zinc, tin, lead