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