In a building, when exhaust air exceeds ventilation air, a negative pressure is created and the difference is made up through:

A) Duct leakage.
B) Air leaving the building.
C) Air infiltration.
D) Positive pressure.


C

Trades & Technology

You might also like to view...

If an R-12 refrigeration system has its air-cooled condensing unit on a roof with an ambient air temperature of 100°F and the condenser outlet temperature (refrigerant) is 115°F, with how much subcooling is the condenser operating?

A. 15°F B. 30°F C. 100°F D. 130°F

Trades & Technology

Because of education and a favorable public awareness of water, our national water supply is no longer in jeopardy

Indicate whether the statement is true or false

Trades & Technology

In binomial nomenclature, the first part of the name identifies the ____________________

Fill in the blank(s) with correct word

Trades & Technology

A 100-mH inductor is connected in parallel with a 2-k? resistor. The current through the inductor is i(t) = 35e^–400t mA.

Trades & Technology