JSW_boilerCombustion_Post JSW_Boiler Combustion_ILT_Post Assessment JSW_Boiler Combustion_ILT_Post Assessment The number of attempts remaining is 2 1 / 20 1. In an ideal gas mixture, all the gases are ideal gases and they obey this equation of state given by a. pM=VRT b. pV=RTt c. pV = MRT d. pVM=RT 2 / 20 2. What is 3T (TTT) , which is very important in Combustion context a. Temperature , Turbulence & Temperature b. Time , Temperature &Titration c. Time , Temperature & Trash d. Time , Temperature & Turbulence 3 / 20 3. Radiation Heat transfer is directly proportion to temperature difference (Supplying & Receiving Surface) in the power of …………… a. T^5.67 b. T^4 c. T^1 d. T^1.25 4 / 20 4. Higher the mesh size lower the size of particle that can pass through it ? a. True b. False 5 / 20 5. Which Chemical reaction result in to highest release of Heat out of Following : a. S + O2 = SO2……… ……….. Per kg of Sulphur b. 2C +O2= 2CO……… ……….. Per kg of Carbon c. H2+ (1/2) O2 = H2O……… ……….. Per kg of Hydrogen d. C+ O2 = CO2 ……… ……….. Per kg of Carbon 6 / 20 6. To Control Sox Level ,Which APCD (Air Pollution Control Device) is required to install. a. MFT b. Catalystic Convertor c. CFD d. FGD 7 / 20 7. Heat Transferred in Boiler , Inside combustor is utilize through which of the following mode of heat transfer? a. Radiation Mode b. All of the above c. Convection Mode d. Conduction Mode 8 / 20 8. Which of the following fuel utilized Burner for combustion? a. Liquid Fuel b. Pulverized Coal c. Gaseous Fuel d. All of the above 9 / 20 9. Methane's combustion can be represented as follows: CH4 +2O2 = CO2 + 2H2O , 23 kg of CH4 generate How much kg CO2 Stoichiometrically after combustion. (Rounded off) a. 44 b. 63 c. 64 d. 92 10 / 20 10. Which Type of Coal is having Highest Gross Calorific Value? a. Bituminous b. Lignite c. Subbituminous d. Brown coal 11 / 20 11. It is generally observed that, higher the molecular weight higher the Specific heat ,Then which of the following gases have Lowest Specific Heat…. Molecular Weight is as listed Below , H2= 2 kg/Kmole , S = 32 kg/Kmole , O= 16 kg/Kmole , C = 12 kg/Mole a. H2 b. H2O c. SO2 d. CO2 12 / 20 12. Which gas not generate out of combustion ? a. SiO2 b. NO2 c. CO2 d. SO2 13 / 20 13. The most commonly used combustion system (Fuel Firing) in India for the thermal power plant boiler is the _______________ Combustion system. a. Travelling grate stoker firing b. Circulating fluidized bed c. Pulverized fuel d. Fluidized bed 14 / 20 14. Which Fuel Contain Highest Moisture (%) a. Anthracite b. Bituminous c. Subbituminous d. Lignite 15 / 20 15. On heating of pulverized coal sample in presence of air, Which entrapped thing inside the coal losses at 100-120 Deg Cel…………. a. Ethane b. Moisture c. Methane & Ethane d. Methane 16 / 20 16. Lignite Contain _____ to _____ % Fixed Carbon a. 60-72% b. 30-40% c. 90%-95% d. 95-98% 17 / 20 17. Methane's combustion can be represented as follows: CH4 +2O2 = CO2 + 2H2O , 32 kg of CH4 Required How much kg O2 Stoichiometrically after combustion. (Note : Molecular Weight of reaction component Already Provided above can be use) a. 44 b. 88 c. 128 d. 64 18 / 20 18. What is Purpose of Excess air…….. (Select most relevant answer) a. To ensure complete combustion b. To create turbulence c. To dilute average temp of Flue gas d. Not At all required in practical condition 19 / 20 19. Higher the Combustion efficiency, Lower will be the Overall Heat rate keeping other parameter constant. a. False b. True 20 / 20 20. Clinker Formation is Dependent on which of the following property a. Ash Fusion Temperature b. Flash Point c. Hardgrove Index d. Ash Diffusion Temp Your score is
