10 Questions
What is the typical unit for expressing ventilation rate?
Cubic feet per minute (CFM)
Which factor is ventilation rate normally expressed by?
Volumetric flowrate of outside air being introduced to the building
What is the common measure for ventilation rate in residential buildings that rely on infiltration for meeting their ventilation needs?
Air change rate (ACH)
During the winter, what is the typical range for air changes per hour (ACH) in a tightly insulated house?
0.50 to 0.41
What does ASHRAE recommend as a revision to the 62-2001 standard for ventilation rates in buildings?
Ventilation rates dependent upon floor area
What is insolation?
The total amount of solar radiation energy received on a given surface area during a given time
What is global solar radiation?
The sum of direct and diffuse solar radiation
What is meant by hourly irradiation?
Solar irradiation recorded during an hour
What is diffuse radiation?
The radiation which scatters out of the direct beam
How is solar irradiance expressed?
In watts per square metre (W/m2)
Test your knowledge of ventilation in HVAC systems with this quiz. Explore the importance of air exchange and circulation for maintaining indoor air quality and controlling temperature.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
