RVTI Level 1 Certification Questions
with complete solution 2025/2026
Propane, as extracted, - correct answer ✔Is odorless and colorless
The device used on a propane tank to reduce pressure is called a - correct answer ✔Regulator
The boiling point for propane is - correct answer ✔-44*F (-42*C)
A property of propane is that, when heated, it - correct answer ✔Expands
When an element or compound changes from the liquid phase to a vapor, it is called - correct answer
✔Vaporization
When working with propane systems, the most important factor to consider is - correct answer
✔Safety
Propane is flammable, can explode with pressure, and is able to - correct answer ✔Freeze skin
It is important to wear gloves when using propane because it can - correct answer ✔Freeze the skin
When working with propane, it is important to wear - correct answer ✔Appropriate gloves
To close a service valve on a propane tank, it is best to tighten the valve with - correct answer ✔A hand
In a shop environment, always wear - correct answer ✔Safety glasses
,When transporting or storing containers, always use - correct answer ✔A POL plug or dust cap
Which service valve is mandatory in the RV industry? - correct answer ✔Type I OPD
What is now required to be part of ASME tanks but was not required prior to 1983? - correct answer
✔OPD
The maximum allowable working pressure on an ASME tank can be found on the - correct answer
✔Data plate
The most common securing methods for cylinders include - correct answer ✔Adjustable straps and T-
bars
Purging is necessary for - correct answer ✔New and contaminated containers
For purging, you must increase pressure by 15 psi and _____ is the total number of purgings required. -
correct answer ✔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? - correct answer ✔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 - correct answer ✔375 psi
What can occur if a horizontal cylinder is not stored in its proper position? - correct answer ✔Liquid
propane can enter the vapor system
, Which of the following is NOT an appurtenance? - correct answer ✔Mounting bracket
Black or green connector knobs on Type 1 OPD service valves indicate - correct answer ✔Flow rating
ASME tanks are usually bolted to - correct answer ✔The frame
On double cylinder assemblies, make sure - correct answer ✔The cylinder tray is attached to the unit's
frame
When purging, avoid applying a vacuum to containers that may have contained - correct answer
✔Propane
Failure to purge when necessary can cause - correct answer ✔Odor fade and false pressure
Cylinders should be filled using - correct answer ✔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. - correct answer ✔25
The lockup pressure test verifies the pressure at which - correct answer ✔The regulator locks up when
no propane is flowing
Immediately after conducting the operating pressure test - correct answer ✔Close up the gas cock
Any regulator pressure over _____ inches WC will require the regulator to be replaced. - correct answer
✔14
with complete solution 2025/2026
Propane, as extracted, - correct answer ✔Is odorless and colorless
The device used on a propane tank to reduce pressure is called a - correct answer ✔Regulator
The boiling point for propane is - correct answer ✔-44*F (-42*C)
A property of propane is that, when heated, it - correct answer ✔Expands
When an element or compound changes from the liquid phase to a vapor, it is called - correct answer
✔Vaporization
When working with propane systems, the most important factor to consider is - correct answer
✔Safety
Propane is flammable, can explode with pressure, and is able to - correct answer ✔Freeze skin
It is important to wear gloves when using propane because it can - correct answer ✔Freeze the skin
When working with propane, it is important to wear - correct answer ✔Appropriate gloves
To close a service valve on a propane tank, it is best to tighten the valve with - correct answer ✔A hand
In a shop environment, always wear - correct answer ✔Safety glasses
,When transporting or storing containers, always use - correct answer ✔A POL plug or dust cap
Which service valve is mandatory in the RV industry? - correct answer ✔Type I OPD
What is now required to be part of ASME tanks but was not required prior to 1983? - correct answer
✔OPD
The maximum allowable working pressure on an ASME tank can be found on the - correct answer
✔Data plate
The most common securing methods for cylinders include - correct answer ✔Adjustable straps and T-
bars
Purging is necessary for - correct answer ✔New and contaminated containers
For purging, you must increase pressure by 15 psi and _____ is the total number of purgings required. -
correct answer ✔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? - correct answer ✔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 - correct answer ✔375 psi
What can occur if a horizontal cylinder is not stored in its proper position? - correct answer ✔Liquid
propane can enter the vapor system
, Which of the following is NOT an appurtenance? - correct answer ✔Mounting bracket
Black or green connector knobs on Type 1 OPD service valves indicate - correct answer ✔Flow rating
ASME tanks are usually bolted to - correct answer ✔The frame
On double cylinder assemblies, make sure - correct answer ✔The cylinder tray is attached to the unit's
frame
When purging, avoid applying a vacuum to containers that may have contained - correct answer
✔Propane
Failure to purge when necessary can cause - correct answer ✔Odor fade and false pressure
Cylinders should be filled using - correct answer ✔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. - correct answer ✔25
The lockup pressure test verifies the pressure at which - correct answer ✔The regulator locks up when
no propane is flowing
Immediately after conducting the operating pressure test - correct answer ✔Close up the gas cock
Any regulator pressure over _____ inches WC will require the regulator to be replaced. - correct answer
✔14
