Oilers/Plant Tenders (HHC) Civil Service Practice Exam

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What does a pyrometer on a diesel engine measure?

Pressure
Flow rate
Temperature
Vibration

The correct answer is: Temperature

A pyrometer is a specific type of thermometer that is used to measure extremely high temperatures, often in industrial applications, including diesel engines. In the context of a diesel engine, the pyrometer provides valuable information about the combustion process. Monitoring the temperature allows for better efficiency and performance of the engine, as it helps prevent overheating and can indicate whether the engine is operating within its optimal temperature range. Consequently, understanding the temperature readings can aid in diagnosing issues related to combustion efficiency and engine health, ensuring that the engine runs effectively and reliably.