Fuels and Combustion The reaction, C + CO₂ ⟷ 2CO, taking place during coal gasification is called the __________ reaction. n. Reduction Boudouard Shift conversion Neumann reversal Reduction Boudouard Shift conversion Neumann reversal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases. CO₂ content CO content O₂ content Dew point CO₂ content CO content O₂ content Dew point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Lower ignition temperature Higher calorific value Lower theoretical flame temperature Narrower limit of inflammability Lower ignition temperature Higher calorific value Lower theoretical flame temperature Narrower limit of inflammability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called Banking None of these Back draughting Under pressurising Banking None of these Back draughting Under pressurising ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Reduces its sulphur and ash content All of these Controls its ash fusibility and increases its calorific value Improves its coking properties Reduces its sulphur and ash content All of these Controls its ash fusibility and increases its calorific value Improves its coking properties ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Large heaps with small surface to volume ratio Closed space without any ventilation facility Shallow and small piles Fine sizes without the presence of any lump Large heaps with small surface to volume ratio Closed space without any ventilation facility Shallow and small piles Fine sizes without the presence of any lump ANSWER DOWNLOAD EXAMIANS APP
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