Fuels and Combustion Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. 15 to 25 75 35 to 45 55 to 75 15 to 25 75 35 to 45 55 to 75 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal. Fast & slow Slow & high Slow & low Fast & high Fast & slow Slow & high Slow & low Fast & high ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Produce smaller coke All of these Require less time of carbonisation Produce stronger coke Produce smaller coke All of these Require less time of carbonisation Produce stronger coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A gaseous fuel in order to develop luminousity on burning, must contain Carbon monoxide Hydrogen Hydrocarbons Oxygen Carbon monoxide Hydrogen Hydrocarbons Oxygen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas burns with a bluish flame, because of the presence of CH₄ CO₂ CO S CH₄ CO₂ CO S ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Affects the quality of steel produced as cracks develop on the surface while rolling the steel Neither A nor B Contributes to its heating value Both A and B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Neither A nor B Contributes to its heating value Both A and B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS