Safe Dispensing of Propane|| 60 QUESTIONS || CORRECT ANSWERS|| VERIFIED
2 views 0 purchase
Course
LP Gas Master Qualifier: Gas Installation
Institution
LP Gas Master Qualifier: Gas Installation
Name 3 characteristics of propane - ANSWER colorless, odorless, tasteless
What is the initial boiling point of propane - ANSWER -44 degrees
What does one gallon of liquid propane weigh in pounds - ANSWER 4.2 pounds
How heavy is propane vapor compared to air? Propane liquid to water? - ANSW...
Safe Dispensing of Propane|| 60 QUESTIONS ||
CORRECT ANSWERS|| VERIFIED
Name 3 characteristics of propane - ANSWER colorless, odorless, tasteless
What is the initial boiling point of propane - ANSWER -44 degrees
What does one gallon of liquid propane weigh in pounds - ANSWER 4.2 pounds
How heavy is propane vapor compared to air? Propane liquid to water? - ANSWER 1.5 > 1. 1 and 1/2
more than air (SO4 < H20)
What is the limit of flammability in air, percent of vapor in air/gas mixture? - ANSWER 2.15%-9.6%
What is the most commonly used odorant in LP gases and why is it added? - ANSWER Ethynl Mercaptan
When liquid propane is released to the atmosphere, what is it's expansion ratio? - ANSWER 25%
Is propane non-toxic? - ANSWER Yes
Name several potential sources of ignition? - ANSWER Fans, switches, car ignitions, static, cigs.
When the outside temperature increases, what happens to propane inside a container? - ANSWER
Increase pressure
Name THREE types of specifications which propane containers are manufactured under. - ANSWER
Container info/ filling connections valves/ product storage area
, What does DOT stand for? ASME? FAA? - ANSWER Department of Transportation, American Society of
Mech. Engineering, Federal Aviation Admin.
How long after manufacture may a DOT Steel or Aluminum cylinder be used before re-certification is
required? How many re-certifications are allowed? - ANSWER 12 years, every 5, 7, 12 years (as many as
you want).
Can you rely on an OPD valve for accurate filling of a DOT cylinder - ANSWER NO
Is the float gauge alone a suitable method for filling - ANSWER NO
What must be done before a new DOT container may be filled - ANSWER Purge
Before filling a motor home, what steps should you take? - ANSWER Motor off, brakes set, passengers
out
What is the max amount of propane you may dispense into a container? - ANSWER 80% of its water
capacity
What must be done before any propane container may be refilled? - ANSWER Gates open, no ignition
source in 25ft of area, engines 15ft of shutoff, gloves, check valves, visual inspection
Personnel dispensing propane gas must have what? - ANSWER adequate training in proper LP gas
transfer procedure
Sources of ignition, including cigarettes, should be eliminated within how many feet of the filling
procedure? - ANSWER 25 feet
How do you determine the gas capacity of a DOT cylinder? Of an ASME container? - ANSWER DOT: shows
max in pounds.
ASME: shows max water gallons
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller shantelleG. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
