Fuels and Combustion Water gas constitutes mainly of CH₄ & H₂ CO & H₂ CO & N₂ CO₂ & H₂ CH₄ & H₂ CO & H₂ CO & N₂ CO₂ & H₂ 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. < 37% None of these >71% In between 37 & 71% < 37% None of these >71% In between 37 & 71% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is coking? Both A & B Fussain Vitrain Neither A nor B Both A & B Fussain Vitrain Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 5000 25, 000 10, 000 15, 000 5000 25, 000 10, 000 15, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 4000 8000 1000 6000 4000 8000 1000 6000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pick out the wrong statement. Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing None of these Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing None of these Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel ANSWER DOWNLOAD EXAMIANS APP
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