What is the maximum temperature reached in the combustor of the CFM56-7B engine?

The maximum temperature reached in the combustor of the CFM56-7B engine is indeed around 1700 degrees Celsius. This high temperature is a critical aspect of the engine’s design, as it contributes significantly to the engine's overall efficiency and performance. The high combustion temperatures are necessary to ensure optimal fuel combustion, which in turn maximizes thrust and minimizes emissions.

In modern aircraft engines, materials and cooling technologies are utilized to manage these extreme temperatures, allowing for efficient operation without damaging engine components. The thermal performance of an engine like the CFM56-7B is carefully monitored and controlled to achieve the desired balance between power output and engine durability.

The other temperature options are lower than the maximum combustor temperature in the CFM56-7B, and thus do not accurately reflect the operational capabilities of this engine model.