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% < 37% None of these >71% In between 37 & 71% < 37% None of these >71% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has Lower strength All of these Higher reactivity Lower bulk density Lower strength All of these Higher reactivity Lower bulk density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion L.D. converter gas (produced in steel plant) comprises mainly of CO₂ & O₂ CO (upto 65%) & CO₂ CO₂ & H₂ CO & O₂ CO₂ & O₂ CO (upto 65%) & CO₂ CO₂ & H₂ CO & O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion One kg of carbon for theoretically complete combustion requires __________ kg of air. 0.5 12 23 11.5 0.5 12 23 11.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coal gasification processes will produce gas having maximum methane content? Winkler process Lurgi process Kopper-Totzek process All of these Winkler process Lurgi process Kopper-Totzek process All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used for the determination of calorific value of the __________ fuels. Solid Liquid Gaseous Both B and C Solid Liquid Gaseous Both B and C ANSWER DOWNLOAD EXAMIANS APP