Fuels and Combustion While the first commercial low temperature coal carbonisation plant is located at Neyveli (in Chennai), the second such plant has been built at Dhanbad Dankuni (West Bengal) Singreni (AP.) Raniganj Dhanbad Dankuni (West Bengal) Singreni (AP.) Raniganj ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. In between 37 & 71% None of these < 37% >71% In between 37 & 71% None of these < 37% >71% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Produce stronger coke All of these Produce smaller coke Require less time of carbonisation Produce stronger coke All of these Produce smaller coke Require less time of carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Lower ignition temperature Lower theoretical flame temperature Higher calorific value Narrower limit of inflammability Lower ignition temperature Lower theoretical flame temperature Higher calorific value Narrower limit of inflammability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb Both O₂ and CO₂ Both O₂ and CO All of these Only O₂ Both O₂ and CO₂ Both O₂ and CO All of these Only O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon Requires smaller combustion space and less secondary air Is less liable to spontaneous combustion on storage None of these Is more difficult to ignite and produces a shorter flame Requires smaller combustion space and less secondary air Is less liable to spontaneous combustion on storage None of these Is more difficult to ignite and produces a shorter flame ANSWER DOWNLOAD EXAMIANS APP
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