What does the combustion section do to the air?

• A. Raises the temperature of the air passing through the engine and directs the super heated air to the turbines
• B. Cools the air
• C. Stores air for later use
• D. Mixes fuel with oil

Answer: (A)

The essential idea is that the combustion section adds energy to the flowing air by burning fuel with it. As fuel is sprayed into the compressed air and ignited, the resulting combustion produces hot, high‑energy gases. This heat dramatically raises the air’s temperature and creates gases that are directed to the turbines to extract energy and keep the engine running, and ultimately to produce thrust. So the combustion section’s role is to heat the air and send the hot gases onward to the turbines. The other options don’t fit because the section is not about cooling the air, storing it, or mixing oil with fuel; it specifically heats the air by burning fuel.