Commercial Pilot License (CPL) 2025 – 400 Free Practice Questions to Pass the Exam

Image Description

Question: 1 / 550

What should be monitored to prevent engine issues related to detonation?

Flight altitude and speed

Engine instruments and mixture settings

Monitoring engine instruments and mixture settings is crucial for preventing engine issues related to detonation. Detonation occurs when fuel-air mixtures ignite prematurely in the engine cylinder, potentially leading to severe engine damage. By keeping an eye on engine instruments such as the manifold pressure, cylinder head temperature, and exhaust gas temperature, you can ensure the engine is running within safe operating limits.

Additionally, proper adjustment of mixture settings is vital in maintaining the correct air-fuel ratio. An overly rich or lean mixture can contribute to detonation by affecting combustion characteristics. For example, a lean mixture may raise temperatures in the combustion chamber, increasing the likelihood of detonation. Therefore, consistently monitoring these factors enables pilots to make necessary adjustments, thus ensuring optimal engine performance and minimizing the risk of detonation-related issues.

Get further explanation with Examzify DeepDiveBeta

Weather conditions and airspeed

Fuel levels and oil pressure

Next Question

Report this question

Download Commercial Pilot License (CPL) Practice Exam PDF Study Guide
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy