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

Author Question: During inspection of the shoulder of a compressed gas cylinder, you note an asterisk () next to the ... (Read 138 times)

formula1

  • Hero Member
  • *****
  • Posts: 666
on: Jul 16, 2018
During inspection of the shoulder of a compressed gas cylinder, you note an asterisk () next to the test date. This indicates what about the cylinder?
 
  a. It is made of spun aluminum, not steel.
  b. It only requires a 10-year DOT testing.
  c. It can be filled to 10 above its service pressure.
  d. It has a high coefficient of elastic expan-sion.

Question 2

The gauge on a G cylinder of O2 reads 400 psig. Approximately how long would the contents of this cylinder last, until completely empty, at a flow of 5 L/min?
 
  a. 2 hr 40 min
  b. 3 hr 10 min
  c. 4 hr 30 min
  d. 9 hr 15 min


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SVictor

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: B
An asterisk () next to the test date indicates DOT approval for 10-year testing.

Answer to Question 2

ANS: B
Once the factor for a given gas and cylinder is known, calculating the duration of flow is a sim-ple matter of applying the following equation:
Duration of flow (min) = Pressure (psig)  Cylinder factor/Flow (L/min)


formula1

  • Hero Member
  • *****
  • Posts: 666
Reply #2 on: Jul 16, 2018
Thank you


SVictor

  • Sr. Member
  • ****
  • Posts: 365
Reply #3 on: Jul 16, 2018
No problemo


« previous next »
 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Spotted hyena cubs in Limpopo, South Africa. Note the well defined spots, which will fade with age Spotted hyena cubs in Limpopo, South Africa. Note the well defined spots, which will fade with age
The downward movement of the piston draws the air–fuel mixture into the cylinder through the ... The downward movement of the piston draws the air–fuel mixture into the cylinder through the ...
Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ... Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ...
Apply lotion to the entire hand and arm, moving up the arm from hand to shoulder. Use moderate ... Apply lotion to the entire hand and arm, moving up the arm from hand to shoulder. Use moderate ...
Shoulder joint Shoulder joint
A promissory note has a face value of $6000 and it has a date of issue of June 1 this year. The ... A promissory note has a face value of $6000 and it has a date of issue of June 1 this year. The ...
Video: Requirements for nervous signals

For a complete list of videos, visit our video library