LP Flashcards
(15 cards)
Boiling point of LP
-44 °F (-42°C)
When an element or compound changes from the liquid phase to a vapor, it is called
Vaporization
When transporting or storing containers, always use
A POL plug or dust cap
Which service valve is mandatory in the RV industry?
Type 1 OPD
What is now required to be part of ASME tanks but was not required prior to 1983?
OPD
The most common securing methods for cylinders include
Adjustable straps and T-bars
For purging, you must increase pressure by 15 psi and _____ is the total number of purgings required.
5
The relief valve will function if the pressure of the compressed air plus the pressure of the propane meets or exceeds the relief valve setting of
375 psi
What can occur if a horizontal cylinder is not stored in its proper position?
Liquid propane can enter the vapor system.
Black or green connector knobs on Type 1 OPD service valves indicate
Flow rating
Failure to purge when necessary can cause
Odor fade and false pressure
Immediately after conducting the operating pressure test
Close the gas cock
A regulator must have a rated capacity equal to or greater than the total Btu/Hr input of
All appliances
The RV standard requires that the timed pressure drop test be conducted for at least
3 min
What is the most important reason to document tests?
Protects against lawsuits
