TCCA Powerplant Turbine Practice Test

Question: 1 / 400

A turbojet engine with high EGT at a desired EPR during takeoff indicates what?

Engine in proper trim

Engine out of trim

A turbojet engine exhibiting high exhaust gas temperature (EGT) while maintaining a desired engine pressure ratio (EPR) during takeoff suggests that the engine is out of trim. In this scenario, the combination of high EGT and the specific EPR indicates that the engine is operating inefficiently, possibly due to an imbalance in the air-fuel mixture or other internal discrepancies that lead to excessive combustion temperatures.

These high temperatures can result from various factors such as impaired airflow through the engine or a misadjustment in fuel flow, which can affect the combustion process. An engine that is in proper trim would ideally maintain normal EGT readings for a given EPR during takeoff. Therefore, diagnosing the excessive heat as an indicator of an engine being out of trim is crucial for ensuring safety and performance, necessitating further investigation and potential corrective actions.

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Excess fuel flow

Incorrect inlet pressure

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