Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in Condensation of water vapour from the fuel gas None of these Heat losses Long flame Condensation of water vapour from the fuel gas None of these Heat losses Long flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Neither A nor B Caking power Both A & B Calorific value Neither A nor B Caking power Both A & B Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 100 to 150 700 to 850 550 to 650 350 to 450 100 to 150 700 to 850 550 to 650 350 to 450 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion KOH solution used in orsat apparatus absorbs CO₂ SO₂ Neither A nor B Both A & B CO₂ SO₂ Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb Both O₂ and CO₂ Both O₂ and CO All of these Only O₂ Both O₂ and CO₂ Both O₂ and CO All of these Only O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing? Excessive fly-ash discharge from the stack High power consumption in its transportation Erosion of induced draft fan blades Ash disposal problem Excessive fly-ash discharge from the stack High power consumption in its transportation Erosion of induced draft fan blades Ash disposal problem ANSWER DOWNLOAD EXAMIANS APP
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