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 Ignition temperature decreases progressively from anthracite to lignite, because Carbon content decreases Moisture content increases Volatile matter content increases Ash content increases Carbon content decreases Moisture content increases Volatile matter content increases Ash content increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Fuel consumption for the same heat load Percentage of oxygen in flue gases Stack gas temperature All of these Fuel consumption for the same heat load Percentage of oxygen in flue gases Stack gas temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C. 280-300 80-170 200-300 250-270 280-300 80-170 200-300 250-270 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between the net and gross calorific value is maximum in case of Fuel oil Blast furnace gas Pitch Bituminous coal Fuel oil Blast furnace gas Pitch Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation of coal compared to low temperature carbonisation H₂ content in the coke oven gas is more Yield of ammonia is less Calorific value of the coke oven gas is lower Aromatic content of tar is low H₂ content in the coke oven gas is more Yield of ammonia is less Calorific value of the coke oven gas is lower Aromatic content of tar is low ANSWER DOWNLOAD EXAMIANS APP
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