What are the difference between cast iron, wrought iron and steel.

The temperature difference between two sides of an iron plate, 2 cm thick, is 10^@ C . Heat is transmitted through the plate at the rate of 600 kcal per minute per square metre at steady state. Find the thermal conductivity of iron.

Name the different commercial forms of iron?

Consider the relation between the item in the first pair and write the correlation for second pair: Iron and carbon : Steel : : Copper and Tin : -----.

Practice problems : A railway track is made from 25 m long iron rods . At temperature 20 ⁰C , the distance between two rods is 0.46 cm . Up to what temperature the tracks will be in proper condition to carry the trains ? [λ_iron = 11.5 x 10^-6 (1/ ⁰C) ]

Electromagnets are made of soft iron becauses soft iron has

Which ore contains both iron and copper ?

Answer the following in one or two sentences What is done so to prevent rusting of iron windows and iron doors of you houseA?