Suppose the dew point of not outside air is the same as the dew point of the air indoors. If the door is opened and hot air replaces some of the cool air, then the new relative humidity indoors would be ____.
A)lower than before
B)higher than before
C)the same as before
D)impossible to tell from the information given
E)zero

Question

Quizplus · Accepted Answer

When hot air replaces some of the cool air indoors, the capacity of the air to hold moisture increases due to the increase in temperature. Since the amount of moisture remains the same but the air can now hold more moisture, the relative humidity decreases.

Suppose the Dew Point of Not Outside Air Is the Same