Certified Facility Manager (CFM) Practice Exam

What is the term used in the HVAC industry to describe "the temperature" of a guestroom?

1. Wet bulb temperature

2. Dry bulb temperature

3. Thermal comfort level

4. Relative humidity

The correct answer is: Dry bulb temperature

In the HVAC industry, the term that describes "the temperature" of a guestroom is known as dry bulb temperature. This measurement refers to the actual air temperature, as indicated by a standard thermometer, and is the most straightforward representation of the heat content of the air in any given space, including a guestroom. Understanding dry bulb temperature is crucial in HVAC systems because it helps determine the comfort level for occupants. This figure is essential when designing heating and cooling systems to ensure the right temperature is maintained, impacting both energy efficiency and guest comfort. Other temperature measurements or conditions, such as wet bulb temperature (which considers the moisture content in the air), thermal comfort levels (which relate to how comfortable a person feels considering humidity, air movement, and temperature), and relative humidity (which measures the amount of moisture in the air compared to the maximum amount the air can hold at that temperature), provide important supplementary information but do not directly represent the air temperature. Therefore, dry bulb temperature is the accurate answer when referring to the straightforward measurement of temperature in the context of guestroom environments.