Engine 2014: Motor Plants and Auxiliary Boilers

1. A passes through the whirling chamber before passing through  the tangential slots
2. B passes through the tangential slots before passing through  the whirling chamber
3. C leaves the burner as a straight stream until mixed with the primary flow of combustion air
4. D leaves the burner as a straight stream until mixed with the swirling atomizing steam

Tip: press A-D to answer