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

Author Question: Why is a pressure regulator necessary when using nitrogen cylinders? A) The nitrogen must be ... (Read 74 times)

ARLKQ

  • Hero Member
  • *****
  • Posts: 571
on: Jul 24, 2018
Why is a pressure regulator necessary when using nitrogen cylinders?
 
  A) The nitrogen must be carefully controlled because it is toxic.
  B) To boost the pressure leaving the nitrogen cylinder high enough to be used
  C) Because the nitrogen is extremely expensive and must be carefully rationed
  D) To reduce the pressure in the nitrogen cylinder to a safe level

Question 2

In leak detection, R-22 is used in conjunction with which of the following?
 
  A) Electronic detection B) Soap bubbles
  C) Ultrasound D) Visual inspection


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kbennett34

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

A


ARLKQ

  • Member
  • Posts: 571
Reply 2 on: Jul 24, 2018
Gracias!

laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

When using forearm pressure on the top of the shoulder, push with your back foot to increase your ... When using forearm pressure on the top of the shoulder, push with your back foot to increase your ...
Pressure testing the cooling system. A typical hand-operated pressure tester applies pressure equal ... Pressure testing the cooling system. A typical hand-operated pressure tester applies pressure equal ...
Adult Blood Pressure Guidelines Adult Blood Pressure Guidelines
Measuring Pressure Measuring Pressure
Apply direct pressure along upper trapezius, turning the head to access the area. Use your thumb to ... Apply direct pressure along upper trapezius, turning the head to access the area. Use your thumb to ...
Apply direct pressure to points on low back. Press into paraspinal muscles from the side. Move spot ... Apply direct pressure to points on low back. Press into paraspinal muscles from the side. Move spot ...
Video: Role of transport in a cell

For a complete list of videos, visit our video library