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← HistoryWhich outcome results from the use of forced-air induction in early piston-engine aircraft operating at high altitude?
A)Reduced fuel consumption due to lean mixture
B)Increased engine power due to denser air✓
C)Decreased propeller efficiency from airspeed
D)Elevated cylinder head temperature from airflow
💡 Explanation
When altitude increases, forced induction compresses intake air, which increases its density using supercharging, so the engine can receive a greater mass of air per cycle, boosting power output. Therefore increased engine power results, rather than reduced consumption, propeller inefficiency or cylinder temperature which require other conditions.
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