Fuels and Combustion Coke made in narrower by-product coke ovens (as compared to wider ovens) is All of these Smaller in size Less reactive Stronger All of these Smaller in size Less reactive Stronger ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main advantage of forced draft over natural draft is that Furnace control is easier Smaller height chimney can be used Combustion of fuel is complete All of these Furnace control is easier Smaller height chimney can be used Combustion of fuel is complete All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a poisonous fuel gas? Coke oven gas Blast furnace gas Natural gas None of these Coke oven gas Blast furnace gas Natural gas None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of __________ the flame temperature. Combustion air decreases Either the fuel or the air does not affect Either the fuel or the air or both, increases The gaseous fuel before combustion decreases Combustion air decreases Either the fuel or the air does not affect Either the fuel or the air or both, increases The gaseous fuel before combustion decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of BaSO₄ & NaCl MgO & Na₂CO₃ MgCO₃ & NaCl MgSO₄ & BaCl₂ BaSO₄ & NaCl MgO & Na₂CO₃ MgCO₃ & NaCl MgSO₄ & BaCl₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in Controlling the dust nuisance while charging the coal 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) Prevention of clinker formation in the oven Controlling the dust nuisance while charging the coal 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) Prevention of clinker formation in the oven ANSWER DOWNLOAD EXAMIANS APP
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