Author Question: What is the purpose of shutoff valves in the water loop of a water-source heat pump? A) They ... (Read 113 times)

oliviahorn72 · **on:** Jul 24, 2018

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