Fuel and Combustion — Summer 2023

Characteristics for good fuel.

Explain Net calorific value and Gross calorific value.

Write in brief about the proximate and ultimate analysis of coal.

Briefly explain various important properties of coal.

Sate the different objectives and industrial application of coal washing.

Explain the coal gasification techniques in detail with neat sketch.

Discuss the different types of coal combustion techniques.

State advantages of liquid fuel over solid and gaseous fuels.

Write a short note on origin of petroleum.

Describe the atmospheric distillation process with neat flow diagram.

List out types of crude distillation methods used in petroleum industries.

Write in short about storage and handling of liquid fuels.

With neat diagram discuss the working and industrial application of circulating fluidized bed boiler.

List out various methods to produce the hydrogen gas.

Briefly explain the storage and handling of acetylene gas.

What is producer gas? Discuss the different reactions involved in the production of producer gas.

Differentiate between theoretical and actual combustion process.

How to estimate of dry flue gases for known fuel composition?

Write in detail calculation step for the composition of fuel and excess air supplied from exhaust gas analysis.

Discuss about heat of formation and heat of combustion.

Application of batch and continuous furnaces.

Explain various types of furnaces and discuss the working, application, limitation of any one with neat sketch.

Write in detail factor affecting burners and combustion.

Write in detail about Orsat apparatus.

With neat diagram discuss the working and industrial application of fluidized bed combustion.