Fuels and Combustion Coke made in narrower by-product coke ovens (as compared to wider ovens) is Stronger Less reactive All of these Smaller in size Stronger Less reactive All of these Smaller in size ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of stored coal results in the Decrease in its carbon & hydrogen content All of these Decrease in its caking power & calorific value Increase in its oxygen content Decrease in its carbon & hydrogen content All of these Decrease in its caking power & calorific value Increase in its oxygen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A particular coal is said to be free burning when it Burns completely None of these Gives smokeless burning Shows little or no fusing action Burns completely None of these Gives smokeless burning Shows little or no fusing action ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? Benzol Ethylene Pitch-cresosote mixture (PCM) Napthalene Benzol Ethylene Pitch-cresosote mixture (PCM) Napthalene ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The function of secondary combustion air is to Burn the lumpy coal None of these Completely burn the volatile matter Pneumatically convey the pulverised coal Burn the lumpy coal None of these Completely burn the volatile matter Pneumatically convey the pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke Causes brittleness in steel Decreases the abrasion resistance of coke Decreases the hardness of coke None of these Causes brittleness in steel Decreases the abrasion resistance of coke Decreases the hardness of coke None of these ANSWER DOWNLOAD EXAMIANS APP