Fuels and Combustion Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about 8800 kcal/m³ 25000 kcal/kg Same as that of coal middling 8800 kcal/kg 8800 kcal/m³ 25000 kcal/kg Same as that of coal middling 8800 kcal/kg ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The advantage of firing pulverised coal in the furnace lies in the fact, that it Permits the use of high ash content coal Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel combustion All of these Permits the use of high ash content coal Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel combustion All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature decreases progressively from anthracite to lignite, because Moisture content increases Volatile matter content increases Carbon content decreases Ash content increases Moisture content increases Volatile matter content increases Carbon content decreases Ash content increases 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 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly caking coals Both B and C May damage the coke oven walls during carbonisation Produce strong coke Produce weak coke Both B and C May damage the coke oven walls during carbonisation Produce strong coke Produce weak coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires All of these Low preheat of air Fine grinding High excess air All of these Low preheat of air Fine grinding High excess air ANSWER DOWNLOAD EXAMIANS APP
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