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

Author Question: When pressurizing a system for leak testing, the only refrigerant that can be used as a trace gas is ... (Read 69 times)

Capo

  • Hero Member
  • *****
  • Posts: 545
on: Jul 24, 2018
When pressurizing a system for leak testing, the only refrigerant that can be used as a trace gas is _____.
 
  a. HFC-410A
  b. HFC-134a
  c. HFC-407C
  d. HCFC-22

Question 2

In which of these situations is it necessary to use outdoor air for combustion on an induced-draft furnace?
 
  a. It is always necessary.
  b. In locations where the outdoor temperature does not fall below 32F.
  c. When the furnace is within 50' of a living space.
  d. When there are chemicals near the furnace


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zenzy

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 24, 2018
Answer to Question 1

d

Answer to Question 2

d


Capo

  • Member
  • Posts: 545
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

gcook

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

The endocrine glands of the endocrine system are distributed throughout the body. The endocrine glands of the endocrine system are distributed throughout the body.
The central and peripheral nervous system The central and peripheral nervous system
The Major Divisions of the Peripheral Nervous System The Major Divisions of the Peripheral Nervous System
Conducting system of the heart. Conducting system of the heart.
Muscular system and Cardiovascular system Muscular system and Cardiovascular system
Solar system Solar system
Video: Nucleic acid digestion - brush border enzymes, end products & transport mechanism

For a complete list of videos, visit our video library