MODULE 5 QUIZ

Before a cylinder can be filled or refilled, DOT regulations require ____________ to verify it is fit for continued service.

• A visual check
• Requalification
• A cylinder stress test
• Purging

__________ cylinders subjected to fire must be permanently removed from service.

• Steel
• Aluminum
• Cast iron
• Any

Prior to inspecting a cylinder, you should _________ to help spot any problems.

• Wash the cylinder with soap and water
• Open the service valve
• Remove any plastic or paper sleeves
• All answers are correct

A blue-green stain on the brass portion of the cylinder valve is evidence that it has been in contact with ___________ .

• Methanol
• Anhydrous ammonia
• Ethyl mercaptan
• Polyethylene

The letter “E” following the date on the cylinder indicates that requalification is required again within _________ years of the marked date.

• 5
• 7
• 12
• 18

Which of the following problems can be caused by cylinders not properly purged of air or moisture?

• Fading of the odorant in the cylinder
• Unusually low service pressures
• Regulator overheating
• Inaccurate weight when filling

The proper total weight of the filled cylinder is equal to tare weight plus __________ .

• 52% of water capacity plus valve weight
• 52% of water capacity minus valve weight
• 42% of water capacity plus hose and nozzle weight
• 42% of water capacity minus hose and nozzle weight

 Problems that prevent filling a cylinder include __________.

• Cracks or leaks
• Bulging, denting, or gouging
• Out-of-date requalification
• All answers are correct

DOT requires that cylinders be labeled clearly with _________.

• Consumer and warning information
• Valve size and propane capacity
• NFPA 704 information and storage tips
• Shipping name and hazard class

Consumer information/warning labels must be on all portable refillable cylinders not filled on site and with __________ pounds propane capacity or less.

• 20
• 33
• 45
• 100