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

Author Question: Of the four phases listed, which one is performed before the others? A) Electrical connection B) ... (Read 9 times)

melly21297

  • Hero Member
  • *****
  • Posts: 565
on: Jul 24, 2018
Of the four phases listed, which one is performed before the others?
 
  A) Electrical connection B) Piping installation
  C) Evacuation and charging D) Start and check

Question 2

On heat recovery systems:
 
  A) One indoor unit can be in heating mode while others are in cooling mode at the same time.
  B) It is required that all indoor units be in heating mode.
  C) It is required that all indoor units be in cooling mode.
  D) Both A and B.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cascooper22

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

A


melly21297

  • Member
  • Posts: 565
Reply 2 on: Jul 24, 2018
Wow, this really help

meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Hematuria. An analysis of urine is performed to evaluate kidney function. In this illustration, the Hematuria. An analysis of urine is performed to evaluate kidney function. In this illustration, the
A strike by 800 women shoemakers in Lynn, Massachusetts, in 1860. In 1851 a Lynn shoemaker had adapt A strike by 800 women shoemakers in Lynn, Massachusetts, in 1860. In 1851 a Lynn shoemaker had adapt
Electrical charge of the inner and outer regions of nerve cells Electrical charge of the inner and outer regions of nerve cells
Phases of the myocardial action potential. Ion movements during each phase are shown. Phases of the myocardial action potential. Ion movements during each phase are shown.
Tapping. Tapotement performed with the fingertips of a relaxed hand. Tapping. Tapotement performed with the fingertips of a relaxed hand.
Phenotype proportions in the progeny of a dihybrid cross performed by Mendel Phenotype proportions in the progeny of a dihybrid cross performed by Mendel
Video: Parkinson's Disease

For a complete list of videos, visit our video library