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