Engineering Materials MCQ with Answers

elastic properties in all directions

stresses induced in all directions

thermal properties in all directions

electric and magnetic properties in all directions

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

stages at which allotropic forms change

stages at which further heating does not increase temperature for some time

stages at which properties do not change with increase in temperature

there is nothing like points of arrest

room temperature

above melting point

between 1400°C and 1539°C

between 910°C and 1400°C

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