RVTI LeVeL 1 CeRTIfICaTIon exam
2026/2027 – 2 VeRsIons wITh VeRIfIed
answeRs
Propane, as extracted, - Answer-Is odorless and colorless
The device used on a propane tank to reduce pressure is called a - Answer-
Regulator
The boiling point for propane is - Answer--44*F (-42*C)
A property of propane is that, when heated, it - Answer-Expands
When an element or compound changes from the liquid phase to a vapor, it is
called - Answer-Vaporization
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 - Answer-375
psi
What can occur if a horizontal cylinder is not stored in its proper position? -
Answer-Liquid propane can enter the vapor system
,Which of the following is NOT an appurtenance? - Answer-Mounting bracket
Black or green connector knobs on Type 1 OPD service valves indicate - Answer-
Flow rating
ASME tanks are usually bolted to - Answer-The frame
On double cylinder assemblies, make sure - Answer-The cylinder tray is attached
to the unit's frame
When purging, avoid applying a vacuum to containers that may have contained -
Answer-Propane
Failure to purge when necessary can cause - Answer-Odor fade and false pressure
Cylinders should be filled using - 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. - Answer-25
The lockup pressure test verifies the pressure at which - Answer-The regulator
locks up when no propane is flowing
Immediately after conducting the operating pressure test - Answer-Close up the
gas cock
, Any regulator pressure over _____ inches WC will require the regulator to be
replaced. - Answer-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 _____. - Answer-Repeat the test...locate and repair leal, and retest
What should be documented for a timed pressure drop test with a test apparatus?
- Answer-Inches of water
When adjusting a system regulator, the operating test should show a working
pressure of about 11 inches, and the lockup pressure should never exceed _____
inches. - Answer-14
The operating test is used to determine the pressure the regulator is giving when
at least _____ of the appliance load is functioning. - Answer-50%
A regulator must have a rated capacity equal to or greater than the total Btu/Hr
input of - Answer-All appliances
The RV standard requires that the timed pressure drop test be conducted for at
least - Answer-3 minutes
What is the most important reason to document tests? - Answer-Protects against
lawsuits
2026/2027 – 2 VeRsIons wITh VeRIfIed
answeRs
Propane, as extracted, - Answer-Is odorless and colorless
The device used on a propane tank to reduce pressure is called a - Answer-
Regulator
The boiling point for propane is - Answer--44*F (-42*C)
A property of propane is that, when heated, it - Answer-Expands
When an element or compound changes from the liquid phase to a vapor, it is
called - Answer-Vaporization
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 - Answer-375
psi
What can occur if a horizontal cylinder is not stored in its proper position? -
Answer-Liquid propane can enter the vapor system
,Which of the following is NOT an appurtenance? - Answer-Mounting bracket
Black or green connector knobs on Type 1 OPD service valves indicate - Answer-
Flow rating
ASME tanks are usually bolted to - Answer-The frame
On double cylinder assemblies, make sure - Answer-The cylinder tray is attached
to the unit's frame
When purging, avoid applying a vacuum to containers that may have contained -
Answer-Propane
Failure to purge when necessary can cause - Answer-Odor fade and false pressure
Cylinders should be filled using - 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. - Answer-25
The lockup pressure test verifies the pressure at which - Answer-The regulator
locks up when no propane is flowing
Immediately after conducting the operating pressure test - Answer-Close up the
gas cock
, Any regulator pressure over _____ inches WC will require the regulator to be
replaced. - Answer-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 _____. - Answer-Repeat the test...locate and repair leal, and retest
What should be documented for a timed pressure drop test with a test apparatus?
- Answer-Inches of water
When adjusting a system regulator, the operating test should show a working
pressure of about 11 inches, and the lockup pressure should never exceed _____
inches. - Answer-14
The operating test is used to determine the pressure the regulator is giving when
at least _____ of the appliance load is functioning. - Answer-50%
A regulator must have a rated capacity equal to or greater than the total Btu/Hr
input of - Answer-All appliances
The RV standard requires that the timed pressure drop test be conducted for at
least - Answer-3 minutes
What is the most important reason to document tests? - Answer-Protects against
lawsuits
