Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Oxygen Hydrogen Carbon Sulphur Oxygen Hydrogen Carbon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Most of the coking coals are Lignite None of these Bituminous Anthracite Lignite None of these Bituminous Anthracite ANSWER DOWNLOAD EXAMIANS APP
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 In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. Free carbon content in tar Yield percentage of coke Yield of ammonia present in coke oven gas Difference in gross & net calorific value of the coke oven gas Free carbon content in tar Yield percentage of coke Yield of ammonia present in coke oven gas Difference in gross & net calorific value of the coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by Adopting efficient-fuel firing technique & equipment Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air Proper fuel preparation Adopting efficient-fuel firing technique & equipment Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air Proper fuel preparation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bituminous coal Both B and C Is generally coking Burns with smoky yellow flame Ignites less easily than anthracite Both B and C Is generally coking Burns with smoky yellow flame Ignites less easily than anthracite ANSWER DOWNLOAD EXAMIANS APP