Fuels and Combustion With increase in the temperature of carbonisation of coal All of these Hydrogen content of coke oven gas increases due to cracking of hydrocarbons Methane content in the coke oven gas decreases and carbon monoxide content increases Calorific value of the coke oven gas decreases due to cracking of hydrocarbons which is not compensated by increase in CO & H? content All of these Hydrogen content of coke oven gas increases due to cracking of hydrocarbons Methane content in the coke oven gas decreases and carbon monoxide content increases Calorific value of the coke oven gas decreases due to cracking of hydrocarbons which is not compensated by increase in CO & H? content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Decrease in its calorific value None of these Brittleness of steel made by using it Increase in its strength Decrease in its calorific value None of these Brittleness of steel made by using it Increase in its strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main advantage of forced draft over natural draft is that All of these Smaller height chimney can be used Furnace control is easier Combustion of fuel is complete All of these Smaller height chimney can be used Furnace control is easier Combustion of fuel is complete ANSWER DOWNLOAD EXAMIANS APP
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 Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal None of these Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal None of these Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of nitrogen in blast furnace gas may be around 55 25 5 80 55 25 5 80 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, oxygen is absorbed by Potassium hydroxide Alkaline pyragllol solution None of these Cuprous chloride Potassium hydroxide Alkaline pyragllol solution None of these Cuprous chloride ANSWER DOWNLOAD EXAMIANS APP