Pilot Exam Coach

US Private Pilot

Switch to Canada PSTAR
Aircraft systems and instrumentsQuestion 642 of 934

What should a pilot do during takeoff and initial climb to help prevent detonation?

  1. Enrich the mixture and use a shallow climb angle
  2. Use a lean mixture and a steep climb angle
  3. Keep the cowl flaps closed and lean the mixture
  4. Reduce the airspeed and use a steep climb angle
Show answer

Correct answer: Enrich the mixture and use a shallow climb angle

The enriched mixture and shallow climb increase cylinder cooling.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 7: Aircraft Systems — Combustion, page 179

Practice aircraft systems and instruments

Questions last reviewed: 18 October 2026