Answers (2026/2027) | Complete Study Guide |
Verified Solutions | A+
• The device used on a propane tank to reduce pressure is called a -✓✓Regulator
• The boiling point for propane is -✓✓-44*F (-42*C)
• A property of propane is that, when heated, it -✓✓Expands
• When an element or compound changes from the liquid phase to a vapor, it is
called -✓✓Vaporization
• When working with propane systems, the most important factor to consider is -
✓✓Safety
• Propane is flammable, can explode with pressure, and is able to -✓✓Freeze skin
• It is important to wear gloves when using propane because it can -✓✓Freeze the
skin
• When working with propane, it is important to wear -✓✓Appropriate gloves
• To close a service valve on a propane tank, it is best to tighten the valve with -
✓✓A hand
• In a shop environment, always wear -✓✓Safety glasses
• When transporting or storing containers, always use -✓✓A POL plug or dust cap
• Which service valve is mandatory in the RV industry? -✓✓Type I OPD
• What is now required to be part of ASME tanks but was not required prior to
1983? -✓✓OPD
, • The maximum allowable working pressure on an ASME tank can be found on the
-✓✓Data plate
• The most common securing methods for cylinders include -✓✓Adjustable straps
and T-bars
• Purging is necessary for -✓✓New and contaminated containers
• For purging, you must increase pressure by 15 psi and _____ is the total number
of purgings required. -✓✓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? -✓✓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 -✓✓375 psi
• What can occur if a horizontal cylinder is not stored in its proper position? -
✓✓Liquid propane can enter the vapor system
• Which of the following is NOT an appurtenance? -✓✓Mounting bracket
• Black or green connector knobs on Type 1 OPD service valves indicate -
✓✓Flow rating
• ASME tanks are usually bolted to -✓✓The frame
• On double cylinder assemblies, make sure -✓✓The cylinder tray is attached to
the unit's frame
• When purging, avoid applying a vacuum to containers that may have contained -
✓✓Propane
• Failure to purge when necessary can cause -✓✓Odor fade and false pressure
• Cylinders should be filled using -✓✓The weight or volumetric method