Fuels and Combustion For every 10% increase in the excess air; the fuel consumption increases by __________ percent. 10 5 2 0.1 10 5 2 0.1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its Calorific value Caking index Friability & oxygen content Yield of carbonised products Calorific value Caking index Friability & oxygen content Yield of carbonised products ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal resulting from bad storage conditions does not decrease its Oxygen content Calorific value Hydrogen content Caking power Oxygen content Calorific value Hydrogen content Caking power 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) All of these Controlling the dust nuisance while charging the coal Prevention of clinker formation in the oven 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) All of these Controlling the dust nuisance while charging the coal Prevention of clinker formation in the oven ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke compared to the coal from which it has been made, contains More carbon Greater percentage of ash All of these Less volatile matter More carbon Greater percentage of ash All of these Less volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ? Basalt Bog iron (i.e., moist ferric hydroxide) Diatomaceous earth Silica gel Basalt Bog iron (i.e., moist ferric hydroxide) Diatomaceous earth Silica gel ANSWER DOWNLOAD EXAMIANS APP
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