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. None of these < 37% >71% In between 37 & 71% None of these < 37% >71% In between 37 & 71% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ present in coal is not determined in its ultimate analysis. Fixed carbon Total carbon Hydrogen Nitrogen Fixed carbon Total carbon Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of blast furnace gas is about __________ Nm³ /ton of pig iron. 300 5000 2000 10000 300 5000 2000 10000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 3 & 10 10 & 20 10 & 3 15 & 8 3 & 10 10 & 20 10 & 3 15 & 8 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cooling medium used in dry quenching of coke is Nitrogen Phenolic water Carbon dioxide Air Nitrogen Phenolic water Carbon dioxide Air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard coke is manufactured from Bituminous coal Anthracite Semi-anthracite Lignite Bituminous coal Anthracite Semi-anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
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