Fuels and Combustion Spontaneous combustion of coal on storage results due to Low temperature oxidation All of these Inadequate ventilation Storage in large heaps with small surface to volume ratio Low temperature oxidation All of these Inadequate ventilation Storage in large heaps with small surface to volume ratio ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Does not vary with increase in surface area Decreases with increase in surface area Is more for low volatile coal compared to high volatile coal Is accelerated by storage in large heaps with small surface to volume ratio Does not vary with increase in surface area Decreases with increase in surface area Is more for low volatile coal compared to high volatile coal Is accelerated by storage in large heaps with small surface to volume ratio ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ammonia content in raw coke oven gas is about __________ gm/Nm³. 1 50 100 15 1 50 100 15 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high __________ content, would ignite most easily. Oxygen Ash Fixed carbon Volatile matter Oxygen Ash Fixed carbon Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main component of sewage gas produced during aneorobic decomposition of organic waste (by suitable bacteria) during sewage disposal is CH₄ H₂ N₂ CO₂ CH₄ H₂ N₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³. 3200 1800 5400 10200 3200 1800 5400 10200 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS