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

Author Question: Why should only refrigeration rated isolation valves be used on a refrigeration system? What will ... (Read 58 times)

lindiwe

  • Hero Member
  • *****
  • Posts: 577
on: Jul 26, 2018
Why should only refrigeration rated isolation valves be used on a refrigeration system?
 
  What will be an ideal response?

Question 2

Why should automotive oil never be used to lubricate blower motors?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ciecieme

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 26, 2018
Answer to Question 1

Valves designed for lower pressures, such as water valves, can rupture when exposed to refrigeration pressures.

Answer to Question 2

There are detergents in the oil which prevent the oil from lubricating the sintered sleeve bearings


lindiwe

  • Member
  • Posts: 577
Reply 2 on: Jul 26, 2018
:D TYSM

shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

An open circulatory system. An open circulatory system.
A Binary Star System A Binary Star System
The male reproductive system The male reproductive system
The human olfactory system. The human olfactory system.
circulatory system circulatory system
Overview of the components of the human digestive system, together with a brief description of their Overview of the components of the human digestive system, together with a brief description of their
Video: Bone elongation - processes at the epiphyseal plate

For a complete list of videos, visit our video library