Fuels and Combustion Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing? High power consumption in its transportation Excessive fly-ash discharge from the stack Ash disposal problem Erosion of induced draft fan blades High power consumption in its transportation Excessive fly-ash discharge from the stack Ash disposal problem Erosion of induced draft fan blades ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent. 55 75 5 25 55 75 5 25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most reactive (as regards the formation of CO + H₂ from C + H₂O) ? Blast furnace coke Sub-bituminous coal Anthracite coal Low temperature coke Blast furnace coke Sub-bituminous coal Anthracite coal Low temperature coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Purity of coke means that, it is high in carbon and low in Ash Moisture Iron Volatiles Ash Moisture Iron Volatiles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of natural gas is C₂H₆ CH₄ (upto 90%) H₂ C₃H₈ C₂H₆ CH₄ (upto 90%) H₂ C₃H₈ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 550 750 950 1150 550 750 950 1150 ANSWER DOWNLOAD EXAMIANS APP