aircraft systemsFAA-published sample question (AGI, Aug 2021)
The pilot controls the air/fuel ratio with the
A
throttle.
B
manifold pressure.
C
mixture control.✓ Correct Answer
Explanation
The pilot adjusts the fuel/air ratio with the mixture control (PHAK Chapter 7). The throttle controls the amount of mixture going to the cylinders and hence power, and manifold pressure is an indication, not a control.
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