FUELS AND COMBUSTION QUIZ

Neither A nor B

Density of the chimney gases

Both A & B

Height of the chimney

Yield of coke oven gas is 290 Nm³ /ton dry coal

Yield of tar is about 3% of dry coal

Volatile matter in coke is zero

Temperature maintained is 700°C

4.76

0.79

0.21

3.76

5

75

25

55

Burning on travelling grate

Coke making

All of these

Burning on firebars

% of O₂in

Temperature of

%of CO₂ in

Colour of

Both A & B

Air

Fuel

Neither A nor B

M = 1.1 A

M = 0.5 A

M = A

M = 1.8 A

5000

1500

3500

150

80

10

50

25