Fuels and Combustion Which of the following petrographic constituents of coal is non-coking? Vitrain Durain Clarain Fussain Vitrain Durain Clarain Fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if It is stored in tall heaps It contains large amount of volatile matter All of these Smaller fines are stored in large quantity It is stored in tall heaps It contains large amount of volatile matter All of these Smaller fines are stored in large quantity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Producer gas comprises mainly of CO & H₂ CO & N₂ CO₂ & N₂ CO₂ & H₂ CO & H₂ CO & N₂ CO₂ & N₂ CO₂ & H₂ 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 N₂ H₂ CO₂ CH₄ N₂ H₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter can be used to determine the __________ of the coal. Calorific value Both A & B Sulphur content Neither A nor B Calorific value Both A & B Sulphur content Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Controlling the dust nuisance while charging the coal Prevention of clinker formation in the oven All of these Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) Controlling the dust nuisance while charging the coal Prevention of clinker formation in the oven All of these ANSWER DOWNLOAD EXAMIANS APP
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