« previous next »

Author Question: How can one determine whether a pressure-reducing valve uses multiple stages for pressure ... (Read 79 times)

imanialler

  • Hero Member
  • *****
  • Posts: 539
on: Jul 16, 2018
How can one determine whether a pressure-reducing valve uses multiple stages for pressure re-duction?
 
  a. By noting the number of gauges attached to the valve
  b. By noting the DISS code
  c. By noting the ASSS code
  d. By noting the number of pressure relief vents

Question 2

To clean a cylinder valve outlet of foreign material, what should you do?
 
  a. Wipe the valve outlet with a light oil.
  b. Quickly open and then close the valve.
  c. Blow into the valve outlet a few times.
  d. Wipe the valve outlet with an alcohol swab.


Zack0mack0101@yahoo.com

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: D
Because each pressure chamber has one safety relief vent, the user usually can determine the number of stages in a reducing valve by noting the number of relief vents present.

Answer to Question 2

ANS: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

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?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Stages of transcription Stages of transcription
Multiple crossovers can include more than two chromatids Multiple crossovers can include more than two chromatids
A subdural hematoma. A meningeal vein is ruptured and blood has accumulated in the subdural space, p A subdural hematoma. A meningeal vein is ruptured and blood has accumulated in the subdural space, p
Focusing Jets by Pressure Focusing Jets by Pressure
Erikson's Developmental Stages Erikson's Developmental Stages
How to determine if a table of values represents a function How to determine if a table of values represents a function
Video: Tuberculosis Testing

For a complete list of videos, visit our video library