Fuels and Combustion Which of the following fuels is generally not used in thermal power plant boiler firing? Coal middling from washeries Pulverised coking coal F. gas, coke oven gas and L.D. converter gas Furnace oil, light diesel oil and tar/PCM Coal middling from washeries Pulverised coking coal F. gas, coke oven gas and L.D. converter gas Furnace oil, light diesel oil and tar/PCM ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest gross calorific value? Coke oven gas Blast furnace gas Carburetted water gas Oil refinery gas Coke oven gas Blast furnace gas Carburetted water gas Oil refinery gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke should have very low Sulphur & phosphorous content Porosity Hardness & strength Fusion point of its ash Sulphur & phosphorous content Porosity Hardness & strength Fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = 1.1 A M = 0.5 A M = 1.8 A M = A M = 1.1 A M = 0.5 A M = 1.8 A M = A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Air/gas ratio for complete combustion will be the highest for Coke oven gas Gobar gas Carburetted water gas LPG Coke oven gas Gobar gas Carburetted water gas LPG 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% In between 37 & 71% None of these >71% < 37% In between 37 & 71% None of these >71% ANSWER DOWNLOAD EXAMIANS APP
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