What is the purpose of shutoff valves in the water loop of a ...

[oliviahorn72]

What is the purpose of shutoff valves in the water loop of a water-source heat pump?
 
  A) They allow you to service a water-source unit.
  B) They are used to shut off different loop zones in a zoned loop system.
  C) They allow water pressure to build.
  D) They keep water inside the piping system.

Question 2

How much vacuum must a fuel oil pump produce to lift fuel oil up 6 ft?
 
  A) 6  1 = 6 in of vacuum B) 6  3 = 2 in of vacuum
  C) 6  2 = 3 in of vacuum D) 6  2 = 12 in of vacuum

[Ptupou85]

Answer to Question 1

A

Answer to Question 2

A

[oliviahorn72]

Great answer, keep it coming

[matt95]

Thanks for the timely response, appreciate it