FUELS AND COMBUSTION QUIZ

Inherent moisture content

Caking capacity

Volatile matter content

Fusion point of its ash

No change in the c.v. of coke oven gas

Decrease in the c.v. of coke oven gas

Increase in the c.v. of coke oven gas

Increase in its throughput

6500

500

20000

1500

All of these

Improves its coking properties

Reduces its sulphur and ash content

Controls its ash fusibility and increases its calorific value

3000

30, 000

300

30

None of these

Burn with a small non-smoky flame

Have a very high calorific value

Give less yield of tar and gas on carbonisation

25-30

95-100

3-5

60-65

Bag filter

Wet scrubber

Hydrocyclones

Multicyclones

10200

1800

3200

5400

Burns with short, bluish, yellow-tipped flame producing very little smoke

Is essentially a coking coal

Ignites more easily than bituminous coal

Contains more volatile matter than bituminous coal