FAA PLA Knowledge Test - Private Pilot Airship Practice Questions - FAA Private Pilot Airship Knowledge Test (Test Code PLA) Exam

What occurs when an airship envelope experiences 'positive superheat'?

The temperature of the helium inside the envelope becomes higher than the surrounding ambient air temperature The pressure inside the ballonets exceeds ambient atmospheric pressure by more than 5 inches of water The temperature of the ambient air rises faster than the temperature of the lifting gas The airship engine cylinder head temperature exceeds maximum continuous limits

Correct Answer:

The temperature of the helium inside the envelope becomes higher than the surrounding ambient air temperature

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