Fuels and Combustion With increase in the temperature of carbonisation of coal Methane content in the coke oven gas decreases and carbon monoxide content increases Hydrogen content of coke oven gas increases due to cracking of hydrocarbons All of these Calorific value of the coke oven gas decreases due to cracking of hydrocarbons which is not compensated by increase in CO & H? content Methane content in the coke oven gas decreases and carbon monoxide content increases Hydrogen content of coke oven gas increases due to cracking of hydrocarbons All of these 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 Most of the coking coals are None of these Bituminous Anthracite Lignite None of these Bituminous Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Causes heat loss of fuel by its partial combustion Both A & B Shortens the flame Lengthens the flame Causes heat loss of fuel by its partial combustion Both A & B Shortens the flame Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air as compared to that in pure oxygen is Same Much higher Either lower or higher, depends on the type of fuel Much lower Same Much higher Either lower or higher, depends on the type of fuel Much lower ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Ash content Colour Volatile matter Moisture content Ash content Colour Volatile matter Moisture content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the most matured coal? Bituminous Anthracite Semi-anthracite Lignite Bituminous Anthracite Semi-anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP