Some codes limit refrigerant 410A to 25 pounds per 1000 cubic feet of space. This works out to 40 cubic feet per pound of refrigerant. The limit is lower, ________ cubic feet per pound of refrigerant for 24 hour care facilities such as hospitals and nursing homes.
A) 30 B) 50 C) 20 D) 15
Question 2
What are the three most common ways to reduce pollutants in indoor air?
A) HEPA filters, electronic air cleaners, and UV lights
B) Source removal, ventilation, and filtration
C) HEPA filters, UV lights, and ozone generators
D) Creating a negative building pressure, filtration, and ventilation
Outer Space
Human Memorabilia in Space
Air-conditioning refrigerant oil must be kept separated from other oils because it contains traces ...
Using a vacuum hose and a grounded test light to ground one cylinder at a time on a DIS. This works ...
After checking for stored diagnostic trouble codes (DTCs), the wise technician checks service ...
Sketching cubic