RVTI Level 1 Certification Question and Answer
[2026] | UPDATED ACTUAL Exam | A+ Verified
• 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
• When releasing an air/gas mixture of propane, ensure a minimum of _____ feet in
every direction between the container and source of ignition. -✓✓ 25
• The lockup pressure test verifies the pressure at which -✓✓ The regulator locks up
when no propane is flowing
• Immediately after conducting the operating pressure test -✓✓ Close up the gas cock
• Any regulator pressure over _____ inches WC will require the regulator to be replaced.
-✓✓ 14
• During a timed pressure drop test, no pressure drop should be detected. If there is a
pressure increase due to thermal expansion _____, and if there is a pressure drop
_____. -✓✓ Repeat the test...locate and repair leal, and retest
[2026] | UPDATED ACTUAL Exam | A+ Verified
• 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
• When releasing an air/gas mixture of propane, ensure a minimum of _____ feet in
every direction between the container and source of ignition. -✓✓ 25
• The lockup pressure test verifies the pressure at which -✓✓ The regulator locks up
when no propane is flowing
• Immediately after conducting the operating pressure test -✓✓ Close up the gas cock
• Any regulator pressure over _____ inches WC will require the regulator to be replaced.
-✓✓ 14
• During a timed pressure drop test, no pressure drop should be detected. If there is a
pressure increase due to thermal expansion _____, and if there is a pressure drop
_____. -✓✓ Repeat the test...locate and repair leal, and retest
