1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
sineoko [7]
3 years ago
11

Under EPA's regulations, which of the following methods can be used to pressurize an R11 or R123 system for the purpose of openi

ng the system for a non-major repair?
A. Adding nitrogen
B. Warming the refrigerant
C. Adding compressed air
D. Adding carbon dioxide
Engineering
1 answer:
Natasha2012 [34]3 years ago
7 0

Answer:

(A) Adding Nitrogen

Explanation:

R11 or R123 are flammable substance under certain conditions when mixed with Oxygen, adding Nitrogen is a safety procedure used in displacing any R11 or R123 which are considered as hazardous when mixed with Oxygen.

You might be interested in
The first thing you should do is develop a ____________________ to determine what vehicle you can afford.
swat32

The first thing you should do is develop a <u>budget</u> to determine what vehicle you can afford.

<h3>What is an automobile?</h3>

An automobile is also referred to as a vehicle, car or motorcar and it can be defined as a four-wheeled vehicle that is designed and developed to be propelled by an internal-combustion (gasoline) engine, especially for the purpose of transportation from one location to another.

<h3>What is a budget?</h3>

A budget can be defined as a financial plan that is typically used for the estimation of revenue and expenditures of an individual, business organization or government for a specified period of time, often one year.

In this context, we can reasonably infer and logically deduce that the first thing anyone should do is to develop a <u>budget</u> in order to determine what vehicle they can afford.

Read more on budget here: brainly.com/question/13964173

#SPJ1

7 0
1 year ago
Which of the following describes how the author introduces dust storms in the text??​
Oduvanchick [21]

Answer:

B-as deadly storms that claim lives in th great pines

Explanation:

I hope it helped if it did pls make me brainliest

8 0
3 years ago
Read 2 more answers
Which of the following is a way to heat or cool a building without using electricity or another power source?
zzz [600]
I believe the answer is: A. Passive heating and cooling.
8 0
3 years ago
Read 2 more answers
Write a linear equation expressing the number of t-shirts sold each month as a function of price per t-shirt. Please be explicit
IgorC [24]

Answer:

slope of the equation = -0.006778 and the intercept = 27.11

Explanation:

The following details were also given ; They predict the monthly T shirts to be 1750 shirts, if you price them at $15.25 per shirt or 791 shirts if you price them at $21.75 per shirt.

The detailed steps and calculation is as shown in the attached file.

6 0
3 years ago
If a pilot-operated check valve (POC) does not check flow, you will see
Elan Coil [88]

if a pilot-operated check valve (POC) does not check flow, you will see The symptoms and symptoms of a failing swing test valve are regularly audible.

<h3>What happens when the pilot valve reaches set strain?</h3>

When the pilot valve reaches set strain it opens and releases the strain from the dome. The piston is then unfastened to open and the principle valve exhausts the machine fluid. The manage pilot opens both to the principle valve exhaust pipe or to the atmosphere.

Pilot operated test valves paintings through permitting unfastened go with the drift from the inlet port thru the opening port. Supplying a pilot strain to the pilot port permits go with the drift withinside the contrary direction. Air strain on the pinnacle of the poppet meeting opens the seal permitting air to go with the drift freely.

Read more about the pilot valve :

brainly.com/question/15565472

#SPJ1

4 0
2 years ago
Other questions:
  • Describe the steps, tools, and technology needed in detail and
    12·1 answer
  • A quack is a data structure combining properties of both stacks and queues. It can be viewed as a list of elements written left
    5·1 answer
  • Which of the following is a valid reason why a scientist might reject a scientific theory
    5·2 answers
  • What is an unmanned space mission
    9·1 answer
  • Name four emerging technologies that could significantly impact how the construction industry conducts business.
    12·2 answers
  • The steel framework is used to support the reinforced stone concrete slab that is used for an office. The slab is 200 mm thick.
    8·1 answer
  • Please please help please with this this is the link for the story PLEASE PLEASE HELP PLEASE PLEASE help please
    7·1 answer
  • Tech A says that wiring diagrams are essentially a map of all of the electrical components and their connections. Tech B says th
    7·1 answer
  • What precautions should be taken to avoid the overloading of domestic electric circuits.
    13·1 answer
  • Determine the normal stress acting perpendicular to the seam, when the tube is subjected to an axial compressive force of 200
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!