Spring 2001 / Grondzik / 18 January 2001

1. ASHRAE defines thermal comfort as:

(a) a state of heat balance

(b) a state of mind

(c) a set of conditions

(d) a design intent


2. Heat flows from the human body to its surroundings by:

(a) condensation, convection, radiation, evaporation

(b) condensation, convection, radiation, metabolism

(c) convection, conduction, evaporation, radiation

(d) molecular motion, capillary flow, induction forces, particle displacement


3. Olgyay=s "bioclimatic chart" with comfort zone is best described as:

(a) a design tool

(b) a code requirement

(c) a product of ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers)

(d) a product of the American Institute of Architects (AIA)


4. The four properties of an interior environment that most affect thermal comfort are:

(a) air temperature, dew point, relative humidity, solar radiation

(b) air temperature, relative humidity, metabolism, clothing

(c) air temperature, relative humidity, air speed, mean radiant temperature (MRT)

(d) surface temperature, surface texture, air temperature, air cleanliness


5. Preferred conditions for thermal comfort are usually presented in the form of a comfort "zone":

(a) because there is no single ideal comfort point for any group of people

(b) as a means of including a safety factor to ensure good health

(c) because no one in comfort research really knows what they are doing

(d) so that designers can do whatever they want, while convincing clients they know what they are doing

Last updated 19 January 2001