Which sign could indicate depressurization?

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Prepare for the Air Canada Rouge SEP Final Exam. Enhance your skills with comprehensive flashcards and multiple choice questions, each equipped with hints and detailed explanations. Ensure success in your upcoming evaluation!

Multiple Choice

Which sign could indicate depressurization?

Explanation:
When cabin pressure drops, the air expands and cools. The humidity in that air then condenses on cooler surfaces, producing visible mist or fog inside the cabin. That makes mist forming in the cabin the clear, observable sign of depressurization. Calm breathing and passengers sleeping aren’t indicators of a pressure loss, and while a rapid pressure drop can cause liquids to boil at lower temperatures, that isn’t a typical or reliable cue for depressurization in the cabin.

When cabin pressure drops, the air expands and cools. The humidity in that air then condenses on cooler surfaces, producing visible mist or fog inside the cabin. That makes mist forming in the cabin the clear, observable sign of depressurization. Calm breathing and passengers sleeping aren’t indicators of a pressure loss, and while a rapid pressure drop can cause liquids to boil at lower temperatures, that isn’t a typical or reliable cue for depressurization in the cabin.

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