jsw_boiler_combustion_pre JSW_Boiler Combustion_ILT_Pre Assessment JSW_Boiler Combustion_ILT_Pre Assessment The number of attempts remaining is 2 1 / 20 1. What is ratio of N2/ O2 in air a. 2.76 b. 3.76 c. 4.8 d. 3.14 2 / 20 2. What is ethanol Chemically = _________ ? a. CH4 b. C4H10 c. C7H16 d. C2H5OH 3 / 20 3. Which Fuel Contain Highest Moisture (%) a. Bituminous b. Lignite c. Subbituninous d. Anthracite 4 / 20 4. What is Moleculer Weight of Air ___________in Gram / Mole a. 28.96 b. 29.86 c. 89.62 d. 96.28 5 / 20 5. Whai is Emission norms for SOx for Coal Thermal Power Plant for Units installed from 1 January, 2017 a. 225 mg/NM3 b. 300 mg/NM3 c. 100 mg/NM3 d. 375 mg/NM3 6 / 20 6. If there is wide variation in fuel , which fuel firing technology is more suitable for Power Boiler? a. PF b. Grate-Fired Boilers c. AFBC d. CFBC 7 / 20 7. What is value of 200 mg/NM3 of NO2 in PPM ? Hint : Moleculer Weight of NO2 = 14+16+16= 46 Gram / mole , 1 Mole gas Occupies 22.4 lit Volume a. 121.75 PPM b. 97.4 PPM c. 200 PPM d. 410.7 PPM 8 / 20 8. Combustion is endothermic Reaction (Yes /No) a. Yes b. No 9 / 20 9. What is the Reference O2 in % w.r.t which Pollutant like SO2 & NO2 measured for Comparision / Common Base / Guideline bases at Chimney a. 0.045 b. 0.02 c. 0.06 d. 0.025 10 / 20 10. High Adiabatic Flame Temp Indicate Complete Combustion (Yes / No) a. No b. Yes 11 / 20 11. If 12 kg of carbon requires 32 kg of oxygen to form 44 kg of carbon dioxide, Then How much kg of Carbon Required to form 44 kg of Carbon Monoxide. a. 12 kg b. 16 kg c. 28 kg d. 19 kg 12 / 20 12. The Value of Universal Gas Constant is 8314 ________ a. Kcal/Kg K b. J/Kmole K c. J/Mole K d. KJ/Kg K 13 / 20 13. Which fuel has highest hydrogen content ? a. Natural Gas b. Lignite c. Fuel Oil d. Coal 14 / 20 14. Which equipment is used to separate perticulate matter from main fluegas stream? a. All of the above b. Electrostatic Precipitators c. Bag Filter d. Cyclone Seperator 15 / 20 15. Unit of Specific Heat of Gas is……… (Volume basis or Mass basis) a. All of the above b. Kcal / Kg *K c. Kcal /NM3 *C d. Kcal / Kg *C 16 / 20 16. Which Fuel have lowest air to fuel ration in M3 of air / M3 of fuel a. Propane (C3H8) b. All are Equal c. Butane (C4H10) d. Natural Gas 17 / 20 17. Which Fuel requires Maximum air for Stoichiometric Combustion a. Coal b. Propane (C3H8) c. Hydrogen d. Butane (C4H10) 18 / 20 18. What is term as burden (Also measured in %) , Fraction ________ & ________ In Fuel. (Volatile Matter , Ash , Moisture , Fixed Carbon Content) a. Moisture & Volatile Matter b. Ash & Moisture c. Fixed Carbon Content + Volatile Matter d. Ash + Fixed Carbon Content 19 / 20 19. Calorific Value Of Natural Gas is in the range of……………… a. 42000-48000 Kj/Kg b. 6400-7200 Kcal/Kg c. 50000-55000 KJ/kg d. 4200-5000 Kcal/Kg 20 / 20 20. Which Fuel have Highest Higher Heating Value Kcal / NM3 a. Natural Gas(Major Content CH4) b. Propane (C3H8) c. All are Equal d. Butane (C4H10) Your score is