Fuels and Combustion
Notes
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See all →- What is calorific value, and how are gross and net calorific values different? In one line Calorific value is the total quantity of heat liberated when a unit mass (or unit volume) of a fuel is burnt completely in air o... 1
- What is a fuel and what are the characteristics of a good fuel? In one line A fuel is a carbon-containing substance that burns in air (oxygen) and releases a large amount of heat that can be used economic... 1
- How does Boys' gas calorimeter measure the calorific value of a gaseous fuel? In one line A known volume of gas is burnt at a steady rate, and its heat is absorbed by water flowing through cooling tubes; from the water... 1
- How is the calorific value of a solid fuel determined using a bomb calorimeter? In one line A known mass of fuel is burnt in excess oxygen inside a sealed steel "bomb" placed in a known mass of water, and the rise in wat... 1
- How do you calculate the calorific value of coal using Dulong's formula? In one line Dulong's formula estimates the higher calorific value of a fuel from its percentages of carbon, hydrogen, oxygen and sulphur (fr... 1
- What is proximate analysis of coal and why do moisture, volatile matter, ash and fixed carbon matter? In one line Proximate analysis finds the percentages of moisture, volatile matter, ash and fixed carbon in coal by simple weighing and heati... 1