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 54 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?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

The mammalian respiratory system. The mammalian respiratory system.
Endocrine System - male Endocrine System - male
Disorders and Diseases of the Endocrine System Disorders and Diseases of the Endocrine System
Active fuel management includes many different components and changes to the oiling system, which ... Active fuel management includes many different components and changes to the oiling system, which ...
A platinum tipped spark plug that is fuel soaked indicating a fault with the fuel system or the ... A platinum tipped spark plug that is fuel soaked indicating a fault with the fuel system or the ...
A fibrous root system has similar-sized adventitious roots that branch from the stem A fibrous root system has similar-sized adventitious roots that branch from the stem
Video: Inflammation Animation

For a complete list of videos, visit our video library