RVTI Level 1 Certification Question and Answer
[2026] | UPDATED ACTUAL Exam | Detailed
Solutions
• GCWR -✓✓ Gross Combination Weight Rating
• GVWR -✓✓ Gross Vehicle Weight Rating
• Propane as extracted, -✓✓ Is odorless and colorless
• The device that is used on a propane tank to reduce the pressure is called -✓✓
Regulator
• The boiling point for propane -✓✓ -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 the 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 1 OPD
• What is now required to be part of ASME tanks but was not requires 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
• Black or green connector knobs on a 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
• Fill cylinders by -✓✓ 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 the gas cock
[2026] | UPDATED ACTUAL Exam | Detailed
Solutions
• GCWR -✓✓ Gross Combination Weight Rating
• GVWR -✓✓ Gross Vehicle Weight Rating
• Propane as extracted, -✓✓ Is odorless and colorless
• The device that is used on a propane tank to reduce the pressure is called -✓✓
Regulator
• The boiling point for propane -✓✓ -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 the 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 1 OPD
• What is now required to be part of ASME tanks but was not requires 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
• Black or green connector knobs on a 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
• Fill cylinders by -✓✓ 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 the gas cock
