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