Which of the following combustibles is absent in blast furnace gas? CO CH₄ H₂ None of these TRUE ANSWER : ? YOUR ANSWER : ?
Steam is intermittently admitted into the fuel bed during the production of producer gas to Minimise the chances of clinker formation Increase the gas production rate Convert CO to CO₂ Increase the combustion rate TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ? Water gas Producer gas Natural gas Blast furnace gas TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following has the highest heat of combustion? C₂H₆ CH₄ H₂ CO TRUE ANSWER : ? YOUR ANSWER : ?
Air/gas ratio for complete combustion will be the highest for LPG Coke oven gas Carburetted water gas Gobar gas TRUE ANSWER : ? YOUR ANSWER : ?
Very __________ coals are completely devoid of cokability i.e, it is non coking. Mature Young Both A & B Neither A nor B TRUE ANSWER : ? YOUR ANSWER : ?
Supply of excess air for complete combustion of fuel is necessitated to facilitate None of these Its thorough mixing with air Attainment of chemical equilibrium Attainment of high temperature TRUE ANSWER : ? YOUR ANSWER : ?
Calorific value of of blast furnace gas is around __________ KCal/Nm³. 850 6500 4200 1800 TRUE ANSWER : ? YOUR ANSWER : ?
Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent. 4 96 20 40 TRUE ANSWER : ? YOUR ANSWER : ?