What is the maximum output of the main generator at altitudes below 35,000 ft?

The maximum output of the main generator in the CRJ 200 at altitudes below 35,000 feet is correctly identified as 30 KVA. This limitation is important to ensure that the electrical systems remain operational and within safe parameters throughout flight operations.

At altitudes below 35,000 feet, the aircraft's electrical systems can rely on this output level to support necessary onboard systems, including cockpit instrumentation, lighting, and other critical electronic components. Operating within this limitation helps to avoid overload situations which could lead to generator failure or other electrical system malfunctions.

The incorrect choices represent values that exceed what the aircraft's electrical system is designed to handle at such altitudes, and therefore, would not be achievable without risking damage to the components or affecting the overall safety of the flight. By adhering to the established output limits, pilots can ensure the reliability and functionality of the aircraft’s systems during flight.