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 17 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
YES! Correct, THANKS for helping me on my review

T4T

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Guidelines for proper blood pressure cuff size Guidelines for proper blood pressure cuff size
a) Using fingertip pressure b) Using hand-over-hand pressure a) Using fingertip pressure b) Using hand-over-hand pressure
The fuel tank pressure sensor (black unit with three wires) looks like a MAP sensor and is usually ... The fuel tank pressure sensor (black unit with three wires) looks like a MAP sensor and is usually ...
Dorsiflexion of the foot with direct pressure to bottom of foot with the thumbs. Dorsiflexion of the foot with direct pressure to bottom of foot with the thumbs.
Longitudinal and horizontal effleurage to the thigh. Apply with medium pressure to warm tissues. Longitudinal and horizontal effleurage to the thigh. Apply with medium pressure to warm tissues.
Sea-Level Pressure Sea-Level Pressure
Video: Appendicitis Animation

For a complete list of videos, visit our video library