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 127 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?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

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
Coolant circulates through the water jackets in the engine block and cylinder head. Coolant circulates through the water jackets in the engine block and cylinder head.
A heavily corroded radiator from a vehicle that was overheating. A visual inspection discovered that ... A heavily corroded radiator from a vehicle that was overheating. A visual inspection discovered that ...
Make a note of the reading on the gauge after the first “puff,” which indicates the first ... Make a note of the reading on the gauge after the first “puff,” which indicates the first ...
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 ...
Fingertip rake over pectoralis major from sternum to shoulder. Pull arm out from the body to access ... Fingertip rake over pectoralis major from sternum to shoulder. Pull arm out from the body to access ...
Video: Diversity of Living Creatures - Charles Darwin & the Beagle's Voyage

For a complete list of videos, visit our video library