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Author Question: A two-way control valve reduces the flow through the coil by: A) Sending some of the flow ... (Read 83 times)

fahad

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on: Jul 24, 2018
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.


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ndhahbi

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Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

D


fahad

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Reply 2 on: Jul 24, 2018
Wow, this really help

komodo7

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Reply 3 on: Yesterday
Gracias!

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