A two-way control valve reduces the flow through the coil by: ...

[fahad]

A two-way control valve reduces the flow through the coil by:
 
  A) Sending some of the flow backwards in the direction it came from.
  B) Closing and reducing the flow through the circuit.
  C) Opening and closing in pulses to vary the flow.
  D) Allowing some of the flow to bypass the coil.

Question 2

How is heat pump Heating Seasonal Performance Factor, HSPF, calculated?
 
  A) HSPF is the ratio of heat output divided by heat input measured at one particular condition.
  B) HSPF is the ratio of heat output divided by heat input averaged for the entire heating season.
  C) HSPF is a measure of heating BTU per watt measured at one particular condition.
  D) HSPF is a measure of heating BTU per watt averaged for the entire heating season.

[ndhahbi]

Answer to Question 1

B

Answer to Question 2

D

[fahad]

Gracias!

[kthug]

Thanks for the timely response, appreciate it