State the various important properties of coal.
[3 marks]Write a short note on scenario of coal reservoirs in India.
[4 marks]State the different types of coal combustion techniques and explain any one in detail.
[7 marks]State the characteristics of good fuel.
[3 marks]Enlist the refining products of petroleum.
[4 marks]Write in brief about the proximate and ultimate analysis of coal.
[7 marks]Write a short note on accumulation of petroleum in sediments.
State the objectives of coal washing.
[3 marks]Write a short note on agro fuels.
[4 marks]Discuss in brief about production processes and technologies for bio-fuels.
[7 marks]Define adiabatic flame temperature and dew point temperature.
[3 marks]Write in short about thermodynamic heat of combustion.
[4 marks]The CO content of the products of complete combustion of a coal of 7,2002 kcal/kg CV is 12 % by orsat analysis. Calculate: (a) % excess air (b) volume of air supply at 30 oC and 760 mmHg and (c) volume of the flue gas leaving the furnace at 400 oC and 760 mmHg per kg of coal fired.
[7 marks]Discuss in short spontaneous ignition temperature.
[3 marks]Explain with neat sketch the atmospheric gas burner.
[4 marks]State the types of combustion process and explain any one in detail.
[7 marks]State the various types of coal burning equipment.
[3 marks]State various types of gas burner.1
[4 marks]Give the detailed classification of furnaces and discuss the different types of batch furnace.
[7 marks]Discuss in short about the stoker firing.
[3 marks]Write in short about storage and handling of liquid fuels.
[4 marks]Write in brief about velocity of flame propagation.
[7 marks]State the disadvantages of crude coal tar as a furnace fuel.
[3 marks]Explain with neat sketch the pot type burner.
[4 marks]Methane (CH ) is burned with atmospheric air. The molar analysis of the4 products on a dry basis is as follows: CO = 10%, O = 2.37%, CO = 0.53%,22 N = 87.10%. Calculate the air – fuel ratio and the percent theoretical air2 required for complete combustion.
[7 marks]