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

Author Question: Which of the following accurately describes the danger of air in the refrigeration system? A) The ... (Read 61 times)

jayhills49

  • Hero Member
  • *****
  • Posts: 559
on: Jul 24, 2018
Which of the following accurately describes the danger of air in the refrigeration system?
 
  A) The presence of air makes it impossible to connect a vacuum pump, which is necessary to perform the evacuation procedure.
  B) Too much air makes it impossible to properly calibrate an analog vacuum gauge within the refrigeration system.
  C) Oxygen may violently react with hydrogen and potentially cause a fire within the refrigeration system.
  D) Oxygen will chemically react with the refrigeration oil and deposits buildup in the discharge valve area, causing compressor motor burnouts.

Question 2

The total resistance of a series circuit with resistances of 18 and 9 is:
 
  A) 18  9 = 162 B) 18  9 = 9
  C) (18  9 )/(18 + 9 ) = 6 D) 18 + 9 = 27


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

triiciiaa

  • Sr. Member
  • ****
  • Posts: 349
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

D


jayhills49

  • Member
  • Posts: 559
Reply 2 on: Jul 24, 2018
Gracias!

upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th
Ivanpah Solar Electric Generating System Ivanpah Solar Electric Generating System
Part A - Overview of the vertebrate nervous system Part A - Overview of the vertebrate nervous system
Principle Structures of the Limbic System Principle Structures of the Limbic System
Female Reproductive System - Oocyte "بويضة الجهاز التناسلي " Female Reproductive System - Oocyte "بويضة الجهاز التناسلي "
Development of the Nervous System: Dorsal View Development of the Nervous System: Dorsal View
Video: Electrical changes in the heart

For a complete list of videos, visit our video library