In a single-zone constant-air-volume system, the amount of air ...

[jilianpiloj]

In a single-zone constant-air-volume system, the amount of air moving through the air handler:
 
  A) Is proportional to the control signal.
  B) Changes when the system switches from heating to cooling.
  C) Is varied to meet the building load.
  D) Stays the same all the time.

Question 2

The heat source for a heat pump is:
 
  A) Always water.
  B) The cool medium that the evaporator draws heat out of.
  C) The warm medium that the condenser rejects heat into.
  D) Always air.

[pallen55]

Answer to Question 1

D

Answer to Question 2

B

[jilianpiloj]

Thanks for the timely response, appreciate it

[aliotak]

Wow, this really help