Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Carbon Sulphur Oxygen Hydrogen Carbon Sulphur Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas constitutes mainly of CH₄ & N₂ CO & N₂ CO & CO₂ CH₄ & CO₂ CH₄ & N₂ CO & N₂ CO & CO₂ CH₄ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal. Slow & high Fast & high Fast & slow Slow & low Slow & high Fast & high Fast & slow Slow & low ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal during its high temperature carbonisation Increases the loss of fine coal dust from the ovens when charging None of these Reduces the coking time Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Increases the loss of fine coal dust from the ovens when charging None of these Reduces the coking time Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A particular coal is said to be free burning when it Shows little or no fusing action Burns completely None of these Gives smokeless burning Shows little or no fusing action Burns completely None of these Gives smokeless burning ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Undercharging of coal in the by-product coke ovens results in Increase in its throughput No change in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Increase in its throughput No change in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas Increase in the c.v. of coke oven gas ANSWER DOWNLOAD EXAMIANS APP
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