Engineering Chemistry II Practice Test 3

1. Coals which become soft, plastic and fuse together to form large coherent masses are called ______

2. How can we transport pulverised coal?

3. Which product is formed after the process of carbonisation?

4. Which of the following is used for the removal of impurities by heavy media separation in industries?

5. Which of the following coals have high rates of carbonisation?

6. What is done when the coke is too friable for use in carbonisation process?

7. Which type of burners are used for mixing of coal powder and air?

8. When a coking coal is burnt in absent of air, hard, strong and porous residue left is called as _____

9. Which of the following forms a heat barrier in the process of carbonisation?

10. How can we obtain liquid coal synthetically?