Fuels and Combustion Pick out the wrong statement. Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal None of these Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³. 5400 1800 3200 10200 5400 1800 3200 10200 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal, the Yield of tar is about 3% of dry coal Yield of coke oven gas is 290 Nm³ /ton dry coal Temperature maintained is 700°C Volatile matter in coke is zero Yield of tar is about 3% of dry coal Yield of coke oven gas is 290 Nm³ /ton dry coal Temperature maintained is 700°C Volatile matter in coke is zero ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a primary fuel? Wood charcoal Gasoline Blast furnace coke Natural gas Wood charcoal Gasoline Blast furnace coke Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its All of these Sulphur content is lower Flue gas has lower dew point thereby facilitating more waste heat recovery Emissivity factor is higher All of these Sulphur content is lower Flue gas has lower dew point thereby facilitating more waste heat recovery Emissivity factor is higher ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air requirement for burning 1 Nm³ of CO to CO₂ may be around __________ Nm³. 2.4 11.4 0.87 1.75 2.4 11.4 0.87 1.75 ANSWER DOWNLOAD EXAMIANS APP
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