List down 4 properties that are important in the selection of fuel for an engine?

 Sure! Here's a neat list for you:


Four important properties for selecting a fuel for an engine:

  1. Calorific Value:
    ➔ The amount of energy released when a certain amount of fuel is burned.
    ➔ Higher calorific value means more energy output and better efficiency.

  2. Ignition Quality:
    ➔ For petrol engines: Octane Number (resistance to knocking).
    ➔ For diesel engines: Cetane Number (ease of ignition).
    ➔ Good ignition quality ensures smooth and efficient combustion.

  3. Volatility:
    ➔ Ability of the fuel to vaporize easily.
    ➔ Important for proper air-fuel mixing, especially during cold starts.

  4. Viscosity:
    ➔ Thickness or flow resistance of liquid fuel.
    ➔ Affects fuel injection and atomization, especially in diesel engines.


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