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 58 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
Thanks for the timely response, appreciate it

atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Outline of the System That Controls Drinking Outline of the System That Controls Drinking
The Hepatic Portal Blood Supply The liver receives water, minerals, and nutrients from the digestive The Hepatic Portal Blood Supply The liver receives water, minerals, and nutrients from the digestive
Procedures and Diagnostic Tests Related to the Cardiovascular System Procedures and Diagnostic Tests Related to the Cardiovascular System
A fuel-pressure graph after key on, engine off (KOEO) on a TBI system. A fuel-pressure graph after key on, engine off (KOEO) on a TBI system.
The respiratory system and the process of gas exchange The respiratory system and the process of gas exchange
Development of the Respiratory System Development of the Respiratory System
Video: Febrile Seizure

For a complete list of videos, visit our video library