Casting, Forming and Welding II Practice Test 4

1. Given: cupola diameter = 53cm, mass of bed charge = 465kg, height of groove = 7.2m. Find coke density.

2. Sulphur is present in coke.

3. In the given figure of a rotary melting furnace, what does the question mark depict?

4. The process of de-slagging is mainly carried out to remove the slag impurities from the furnace.

5. Which material is applied to the hearth if the process is acidic?

6. Silicon carbide can be used as a liner for the crucible furnaces.

7. In the given figure of a rotary melting furnace, what does the question mark depict?

8. Carbon picks up can be of what order?

9. Cupola operation is inexpensive.

10. Only acid lined furnace depend on type of steel to be produced?