Question 1336Navigation General

The correct answer is D) 60%. To determine the relative humidity given the dry-bulb and wet-bulb temperatures, you can use a psychrometric chart or a formula. In this case, with the provided temperatures of 78°F (26°C) dry-bulb and 68°F (20°C) wet-bulb, the relative humidity is 60%. The other options are incorrect because: A) 10% is too low for the given temperatures. B) 24% is too low for the given temperatures. C) 56% is lower than the correct answer of 60%.