The MAD House

1. In Sam's model, there were _____ return(s).

0 1 2 3

2. The room pressure measures the space of a main bedroom with reference to _________________.

Atmospheric pressure (14.7 PSI) Outside The main body of the house Absolute pressure (0 PSI)

3. What is a common safety risk of a house that goes under more than 5 Pascals (Pa) of negative pressure?

Exfiltrating conditioned air Backdrafting gas appliances like water heaters Exfiltrating clean air All of the above

4. True or False: Running an exhaust fan (like a bath fan or range hood) will put the house under positive pressure if the house is tight.

True False

5. According to Sam, supply leakage __________, return leakage ___________.

Blows, sucks Has minimal effects, sucks Sucks, blows Sucks, has minimal effects

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