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Propane, as extracted, - Answers Is odorless and colorless
The device used on a propane tank to reduce pressure is called a - Answers Regulator
The boiling point for propane is - Answers -44*F (-42*C)
A property of propane is that, when heated, it - Answers Expands
When an element or compound changes from the liquid phase to a vapor, it is called - Answers
Vaporization
When working with propane systems, the most important factor to consider is - Answers
Safety
Propane is flammable, can explode with pressure, and is able to - Answers Freeze skin
It is important to wear gloves when using propane because it can - Answers Freeze the skin
When working with propane, it is important to wear - Answers Appropriate gloves
To close a service valve on a propane tank, it is best to tighten the valve with - Answers A
hand
,In a shop environment, always wear - Answers Safety glasses
When transporting or storing containers, always use - Answers A POL plug or dust cap
Which service valve is mandatory in the RV industry? - Answers Type I OPD
What is now required to be part of ASME tanks but was not required prior to 1983? - Answers
OPD
The maximum allowable working pressure on an ASME tank can be found on the - Answers
Data plate
The most common securing methods for cylinders include - Answers Adjustable straps and T-
bars
Purging is necessary for - Answers New and contaminated containers
For purging, you must increase pressure by 15 psi and is the total number of purgings
required. - Answers 5
The tare weight of a cylinder is 19 pounds. The propane capacity is 20 pounds. To how many
pounds should the cylinder be filled and to what level? - Answers 39 pounds; 80% level
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 - Answers 375 psi
, What can occur if a horizontal cylinder is not stored in its proper position? - Answers Liquid
propane can enter the vapor system
Which of the following is NOT an appurtenance? - Answers Mounting bracket
Black or green connector knobs on Type 1 OPD service valves indicate - Answers Flow rating
ASME tanks are usually bolted to - Answers The frame
On double cylinder assemblies, make sure - Answers The cylinder tray is attached to the
unit's frame
When purging, avoid applying a vacuum to containers that may have contained - Answers
Propane
Failure to purge when necessary can cause - Answers Odor fade and false pressure
Cylinders should be filled using - Answers The weight or volumetric method
When releasing an air/gas mixture of propane, ensure a minimum of feet in every
direction between the container and source of ignition. - Answers 25
The lockup pressure test verifies the pressure at which - Answers The regulator locks up
when no propane is flowing
Immediately after conducting the operating pressure test - Answers Close up the gas cock