When ascending during a flight, the presence of clouds indicates that the outside temperature has reached
A) 0 degrees Celsius
B) The point of no return
C) The dew point
D) The condensation barrier
E) All of these

Question

Quizplus · Accepted Answer

Clouds form when the temperature reaches the dew point, which is the temperature at which water vapor in the air condenses into visible water droplets or ice crystals. As an airplane ascends, the outside temperature drops, potentially causing the dew point to be reached and leading to cloud formation. Therefore, the presence of clouds indicates that the outside temperature has reached the dew point.

When Ascending During a Flight, the Presence of Clouds Indicates