To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in___________________?
A. Shallow and small piles
B. Fine sizes without the presence of any lump
C. Closed space without any ventilation facility
D. Large heaps with small surface to volume ratio
Related Questions on Fuels & Combustion Mcqs for Chemical
Caking index of a coal is a measure of its _______________________?
A. Abradability
B. Reactivity
C. Agglutinating (binding) properties
D. Porosity
A. C + H2O ↔ CO + H2
B. C + 2H2O ↔ CO2 + 2H2
C. CO + H2O ↔ CO2 + H2
D. None of these
_____________ of the coal is the basis for Seylor’s coal classification?
A. Proximate analysis
B. Ultimate analysis
C. Caking index
D. Calorific value
A. Transportation of coal
B. Drying of coal
C. Combustion of coal by supplying it around the burner
D. Preheating the primary air