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Can a Licensed dispensing unit operator re-qualify DOT cylinders for continued use? -
CORRECT ANSWER: Yes, Visual (E)
Can you rely on an OPD valve for accurate filling of a DOT cylinder? - CORRECT ANSWER:
No, they are there to help
How does a back flow check valve work? - CORRECT ANSWER: Remains closed until outside
pressure open to fil
How long after manufacture may a DOT steel or Aluminum cylinders be recertified? -
CORRECT ANSWER: 10 years (12 years)
How long after manufacture may an AMME propane container be used before it needs to be
recertified? - CORRECT ANSWER: Never
How long after manufacture, may a DOT cylinder be used before recertification? - CORRECT
ANSWER: Tested every 5 years
Only good for 15 years
No recert ever
If an ASME container does not have a Data Plate, but appears in good condition, can it be filled?
- CORRECT ANSWER: No
Is propane toxic? - CORRECT ANSWER: yes
Is the float gauge alone a suitable method for filling? - CORRECT ANSWER: No
, LP is ______ compared to water? - CORRECT ANSWER: .50
LP is ______ heavier than AIR? - CORRECT ANSWER: 1.50
Name three characteristics of Propane? - CORRECT ANSWER: Odorless
Colorless
Hydrocarbons
Name three potential sources of ignition? - CORRECT ANSWER: Fans
Electrical switch
Auto ignitions
Static electricity
Cigarettes
Name three types of re-qualification that can determine if a DOT cyclinder is acceptable for safe
continued use - CORRECT ANSWER: Visual
Hydrostatics
Water Jacket
Name three types of specification which propane containers are manufactures under. -
CORRECT ANSWER: DOT
ASME
FAA
One gallon of Propane? - CORRECT ANSWER: 4.20 pounds
The cylinder marking 4BW-240 - CORRECT ANSWER: 4BW= 12 years recert