This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the purpose of shutoff valves in the water loop of a water-source heat pump? A) They ... (Read 114 times)

oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ptupou85

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

A


oliviahorn72

  • Member
  • Posts: 579
Reply 2 on: Jul 24, 2018
Excellent

jordangronback

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Water cabbage Water cabbage
This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande
This 1900 photograph of steel factories at night in Duquesne, near Pittsburgh, was tinted by hand. S This 1900 photograph of steel factories at night in Duquesne, near Pittsburgh, was tinted by hand. S
Measuring Temperature Using a Heat-Sensitive Wearable Thermometer Measuring Temperature Using a Heat-Sensitive Wearable Thermometer
Cutaway of a V-8 engine showing the lifters, pushrods, roller rocker arms, and valves. Cutaway of a V-8 engine showing the lifters, pushrods, roller rocker arms, and valves.
A pump showing regular with a pump octane of 87, plus rated at 89, and premium rated at 93. These ... A pump showing regular with a pump octane of 87, plus rated at 89, and premium rated at 93. These ...
Video: Cardiac Cycle (Part 1 of 4)

For a complete list of videos, visit our video library