Fuels and Combustion Which of the following fuels is generally not used in thermal power plant boiler firing? Coal middling from washeries F. gas, coke oven gas and L.D. converter gas Pulverised coking coal Furnace oil, light diesel oil and tar/PCM Coal middling from washeries F. gas, coke oven gas and L.D. converter gas Pulverised coking coal Furnace oil, light diesel oil and tar/PCM ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value is the highest out of the following for Producer gas Coke oven gas Blast furnace gas Water gas Producer gas Coke oven gas Blast furnace gas Water gas 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 Gobar gas constitutes mainly of CO & CO₂ CO & N₂ CH₄ & CO₂ CH₄ & N₂ CO & CO₂ CO & N₂ CH₄ & CO₂ CH₄ & N₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke compared to the coal from which it has been made, contains Less volatile matter Greater percentage of ash All of these More carbon Less volatile matter Greater percentage of ash All of these More carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 10-15 30-33 1-2 22-26 10-15 30-33 1-2 22-26 ANSWER DOWNLOAD EXAMIANS APP
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