problem 1:

Illustrate out the chill control in melting of gray iron in cupola.

problem 2:

Make a distinction between water cooled cupola and conventional cupola.

problem 3:

Why material handling equipments commonly needed in steel making?

problem 4:

Illustrate out the thermal efficiency of open hearth process.

problem 5:

What are the alloying components which affect the properties of gray iron?

problem 6:

What are the differentiations between malleable iron and gray iron?