Question 501 Deck General

The correct answer is B) 85%. To determine the relative humidity based on the given dry bulb and wet bulb temperatures, we can use a psychrometric chart or a relative humidity calculator. With a dry bulb temperature of 91°F and a wet bulb temperature of 87°F, the relative humidity is approximately 85%. The other options are incorrect because: A) 79% is too low for the given temperatures. C) 91% is too high for the given temperatures. D) 98% is too high for the given temperatures.