What kind of pumps are most used in HVAC applications, e.g., chilled water?
A) Centrifugal.
B) Gear.
C) Axial.
D) Turbine.
A) Centrifugal.
You might also like to view...
Give the letter found on the 3rd angle projection drawing below in Figure 1 that corresponds to the views listed in numbers 1 through 5.
1. Front view_____________
2. Top view______________
3. Right side view_________
4. Left side view__________
5. Back view_____________
Brake fluid can absorb a large enough quantity of water to be ruined in as little as one hour if left uncovered.
Answer the following statement true (T) or false (F)
What size should the combustion air ducts be for a room with an 60,000 BTU/hr input furnace and a 16,000 BTU/hr water heater if the air is traveling through horizontal ducts?
A) 76,000 / 1,000 = 76 square inches free area each B) 76,000 / 4,000 = 19 square inches free area each C) 76,000 / 2,000 = 38 square inches free area each D) The size is irrelevant so long as there are combustion air vents
The bottom of an extension ladder should be set back one foot for _____
a. each foot of ladder length b. each two feet of ladder length c. each three feet of ladder length d. each four feet of ladder length