Functions of nozzle:

1) To atomize fuel by converting it in to fine droplets.

2) To convert pressure energy in to kinetic energy.

3) To inject the fuel at right quantity at right time with respect to load & speed of the engine.

Classification of Nozzles:

1) Single hole nozzle

2) Multi-hole nozzle

3) Long stem nozzle

4) Pintle nozzles

5) Pintuax nozzles