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. < 37% In between 37 & 71% None of these >71% < 37% In between 37 & 71% None of these >71% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of coal blend used for blast furnace coke making is about 36 22 8 12 36 22 8 12 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Critical Air Blast (CAB) value of coke is a direct measure of its Reactivity Hardness Strength None of these Reactivity Hardness Strength None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion (64-132) rank coal (ASTM) means a coal with 64% None of these Ash and a heating value of 13, 200 BTU/1b Fixed carbon and a heating value of 132 BTU/1b Fixed carbon and having a heat value of 13, 200 BTU/1b None of these Ash and a heating value of 13, 200 BTU/1b Fixed carbon and a heating value of 132 BTU/1b Fixed carbon and having a heat value of 13, 200 BTU/1b ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 18 8 80 48 18 8 80 48 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross calorific value will be equal to the net calorific value for H₂ CO C₂H₆ C₂H₂ H₂ CO C₂H₆ C₂H₂ ANSWER DOWNLOAD EXAMIANS APP