When an air handler has both a DX cooling coil and a hot water heating coil, which coil is located first in the airstream?
A) the hot water heating coil
B) the two coils are in different airstreams
C) the air does not travel over the hot water heating coil
D) the DX cooling coil
A
You might also like to view...
List and briefly describe the four type of joints used in concrete pavements.
What will be an ideal response?
Why was there such strong popular domestic political support initially for Senator Joseph McCarthy's anti-communist crusade in the early 1950s?
What will be an ideal response?
Technician A changes air compressor oil as part of routine maintenance. Technician B purges water out of air compressor tanks as part of routine maintenance. Which technician is correct?
A) Both technicians A and B B) Technician B only C) Neither technician A nor B D) Technician A only
A building requires a pump with a head pressure of 15 feet and a flow rate of 12 gallons per minute. Which of the following pumps should be used, based on the supplied performance data?
A) Total head pressure range: 12 to 3 feet; flow rate: 0 to 32 gallons per minute B) Total head pressure range: 32 to 8 feet; flow rate: 0 to 8 gallons per minute C) Total head pressure range: 8 to 0 feet; flow rate: 0 to 10 gallons per minute D) Total head pressure range: 16 to 2 feet; flow rate: 0 to 14 gallons per minute