Physics · Thermodynamics and Combustion
Open 'sigrees' or coal stoves often require fanning to sustain burning because of the:
- 1tendency of carbon dioxide to form a layer along with dust and smoke✓
- 2lack of oxygen in the surroundings of sigrees
- 3accumulation of smoke and dust over sigrees
- 4interrupted release of moisture from the material
Correct answer
tendency of carbon dioxide to form a layer along with dust and smoke
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