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

Author Question: On a commercial refrigeration system with hot-gas defrost, what does the compressor do during the ... (Read 52 times)

fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
on: Jul 24, 2018
On a commercial refrigeration system with hot-gas defrost, what does the compressor do during the defrost cycle?
 
  A) It operates to provide the heat for defrost.
  B) It runs backwards to pump hot gas into the evaporator.
  C) It cycles like it normally would.
  D) It shuts off.

Question 2

When the hand wheels on the gauge manifold are turned counterclockwise:
 
  A) The pressure in the hoses is allowed to travel up to the gauges for a reading.
  B) The pressure in the hoses is shut off from the gauges and no reading can be made.
  C) Refrigerant flow between the outer hoses and the center hose is shut off.
  D) Refrigerant can flow between the outer hoses and the center hose.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yuyiding

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

D


fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


yuyiding

  • Sr. Member
  • ****
  • Posts: 357
Reply #3 on: Jul 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Thyroid System Thyroid System
Outline of the System That Controls Drinking Outline of the System That Controls Drinking
The Male Reproductive System The Male Reproductive System
The Female Reproductive System (2 of 2) The Female Reproductive System (2 of 2)
Female Reproductive System Female Reproductive System
Main components of the human endocrine system and the effects of their secretions Main components of the human endocrine system and the effects of their secretions
Video: Cardiac Cycle (Part 2 of 4)

For a complete list of videos, visit our video library