Fuels and Combustion As the equilibrium moisture content of the coal increases, its Swelling number decreases Swelling number increases Bulk density decreases Calorific value increases Swelling number decreases Swelling number increases Bulk density decreases Calorific value increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in Condensation of water vapour from the fuel gas None of these Heat losses Long flame Condensation of water vapour from the fuel gas None of these Heat losses Long flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A carbonaceous fuel (containing no H₂ or hydrocarbons) is burnt and the resulting flue gas contains 21% CO₂. It means that Complete combustion of fuel has taken place No excess air has been used for combustion 21% excess air has been used for combustion 21% excess oxygen has been used for combustion Complete combustion of fuel has taken place No excess air has been used for combustion 21% excess air has been used for combustion 21% excess oxygen has been used for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke None of these Decreases the hardness of coke Causes brittleness in steel Decreases the abrasion resistance of coke None of these Decreases the hardness of coke Causes brittleness in steel Decreases the abrasion resistance of coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cuprous chloride used in orsat apparatus can absorb Both CO and O₂ All of these Both CO and CO₂ Only CO Both CO and O₂ All of these Both CO and CO₂ Only CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is generally not used in thermal power plant boiler firing? Furnace oil, light diesel oil and tar/PCM Pulverised coking coal Coal middling from washeries F. gas, coke oven gas and L.D. converter gas Furnace oil, light diesel oil and tar/PCM Pulverised coking coal Coal middling from washeries F. gas, coke oven gas and L.D. converter gas ANSWER DOWNLOAD EXAMIANS APP
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