What is the maximum engine start temperature for the CRJ 900?

• A. 900°C
• B. 700°C
• C. 1,000°C
• D. 800°C

Answer: (A)

The maximum engine start temperature for the CRJ 900 is indeed 900°C. This limit is crucial for ensuring that engine components are not subjected to excessive thermal stress during the start sequence. Exceeding this temperature could lead to damage in the turbine section, potentially resulting in a number of operational issues, including reduced engine performance or even failure.

Understanding the significance of this limit helps in maintaining the safety and reliability of the engine during operations. It is a standard limitation that is put in place by the manufacturer based on extensive testing and operational experience, allowing pilots and maintenance crews to operate the aircraft within safe parameters while ensuring engine longevity and performance.