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Emissivity factor is higher

Sulphur content is lower

Flue gas has lower dew point thereby facilitating more waste heat recovery

All of the above

Storage in large heaps

Storage in compressed piles

Absence of porous or friable particles

All of the above

6

12

18

24

Only CO

Both CO and CO₂

Both CO and O₂

All of the above

Decreases

Increases

Remains constant

May increase or decrease, depends on combustibles

20

35

55

80

Its thorough mixing with air

Attainment of chemical equilibrium

Attainment of high temperature

None of these