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 F. gas, coke oven gas and L.D. converter gas Pulverised coking coal Coal middling from washeries Furnace oil, light diesel oil and tar/PCM F. gas, coke oven gas and L.D. converter gas Pulverised coking coal Coal middling from washeries ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content, has lower Coke oven gas yield on carbonisation Chance of catching fire during storage in open space Ignition temperature Smoking tendency on burning Coke oven gas yield on carbonisation Chance of catching fire during storage in open space Ignition temperature Smoking tendency on burning ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke Causes brittleness in steel Decreases the abrasion resistance of coke Decreases the hardness of coke None of these Causes brittleness in steel Decreases the abrasion resistance of coke Decreases the hardness of coke None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard coke is manufactured from Anthracite Semi-anthracite Bituminous coal Lignite Anthracite Semi-anthracite Bituminous coal Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is always negative Is always positive Is equal to the heat of formation Can't be known without calculating it Is always negative Is always positive Is equal to the heat of formation Can't be known without calculating it ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene recovered from coke oven gas is used For making electrodes As a fuel in furnaces As moth balls (insecticides) As moisture proof coating on fibres For making electrodes As a fuel in furnaces As moth balls (insecticides) As moisture proof coating on fibres ANSWER DOWNLOAD EXAMIANS APP
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