QUESTIONS

$\backslash$table$[[1),$Name two liquid fuels, solid fuels and gaseous fuels used in boilers.$],[2),$Which parameter influences the Viscosity of liquid fuel?$],[3),$Which element in fuel oil influences corrosion?$],[4),$What is the significance of pre$-$heating furnace oil before burning?$],[5),$What are the effects of contaminants in liquid fuels?$],[6),$Explain the difference between gross calorific value and net calorific value.$],[7),$What is the difference between proximate analysis and ultimate analysis of coal?$],[8),$What are the uses of proximate and ultimate analysis?$],[9),$Explain why natural gas requires least amount of excess air?$],[10),$What is the effect of fines on coal combustion and how to overcome them?$],[11),$What are the major constituent of LPG and Natural gas?$],[12),$Why excess air is required for complete combustion?$],[13),$What is the typical stoichiometric air fuel ratio for furnace oil?$],[14),$The measured $C{O}_2$ is $8\%$ in an oil fired boiler flue gas. Theoretical $C{O}_2$ content for$]]$