RVTI Level 1 Certification – Questions With Exact
Solutions
Propane, as extracted, Accurate Answer:- Is odorless and colorless
The device used on a propane tank to reduce pressure is called a Accurate
Answer:- Regulator
The boiling point for propane is Accurate Answer:- -44*F (-42*C)
A property of propane is that, when heated, it Accurate Answer:-
Expands
When an element or compound changes from the liquid phase to a vapor, it is
called Accurate Answer:- Vaporization
When working with propane systems, the most important factor to consider is
Accurate Answer:- Safety
Propane is flammable, can explode with pressure, and is able to Accurate
Answer:- Freeze skin
It is important to wear gloves when using propane because it can
Accurate Answer:- Freeze the skin
When working with propane, it is important to wear Accurate Answer:-
Appropriate gloves
To close a service valve on a propane tank, it is best to tighten the valve with
Accurate Answer:- A hand
In a shop environment, always wear Accurate Answer:- Safety glasses
When transporting or storing containers, always use Accurate Answer:-
A POL plug or dust cap
Which service valve is mandatory in the RV industry? Accurate Answer:-
Type I OPD
,What is now required to be part of ASME tanks but was not required prior to
1983? Accurate Answer:- OPD
The maximum allowable working pressure on an ASME tank can be found on
the Accurate Answer:- Data plate
The most common securing methods for cylinders include Accurate
Answer:- Adjustable straps and T-bars
Purging is necessary for Accurate Answer:- New and contaminated
containers
For purging, you must increase pressure by 15 psi and _____ is the total
number of purgings required. Accurate 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?
Accurate 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
Accurate Answer:- 375 psi
What can occur if a horizontal cylinder is not stored in its proper position?
Accurate Answer:- Liquid propane can enter the vapor system
Which of the following is NOT an appurtenance? Accurate Answer:-
Mounting bracket
Black or green connector knobs on Type 1 OPD service valves indicate
Accurate Answer:- Flow rating
ASME tanks are usually bolted to Accurate Answer:- The frame
On double cylinder assemblies, make sure Accurate Answer:- The
cylinder tray is attached to the unit's frame
, When purging, avoid applying a vacuum to containers that may have
contained Accurate Answer:- Propane
Failure to purge when necessary can cause Accurate Answer:- Odor
fade and false pressure
Cylinders should be filled using Accurate 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. Accurate
Answer:- 25
The lockup pressure test verifies the pressure at which Accurate
Answer:- The regulator locks up when no propane is flowing
Immediately after conducting the operating pressure test Accurate
Answer:- Close up the gas cock
Any regulator pressure over _____ inches WC will require the regulator to be
replaced. Accurate 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 _____. Accurate Answer:- Repeat the test...locate and
repair leal, and retest
What should be documented for a timed pressure drop test with a test
apparatus? Accurate 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. Accurate Answer:- 14
The operating test is used to determine the pressure the regulator is giving
when at least _____ of the appliance load is functioning. Accurate Answer:-
50%
Solutions
Propane, as extracted, Accurate Answer:- Is odorless and colorless
The device used on a propane tank to reduce pressure is called a Accurate
Answer:- Regulator
The boiling point for propane is Accurate Answer:- -44*F (-42*C)
A property of propane is that, when heated, it Accurate Answer:-
Expands
When an element or compound changes from the liquid phase to a vapor, it is
called Accurate Answer:- Vaporization
When working with propane systems, the most important factor to consider is
Accurate Answer:- Safety
Propane is flammable, can explode with pressure, and is able to Accurate
Answer:- Freeze skin
It is important to wear gloves when using propane because it can
Accurate Answer:- Freeze the skin
When working with propane, it is important to wear Accurate Answer:-
Appropriate gloves
To close a service valve on a propane tank, it is best to tighten the valve with
Accurate Answer:- A hand
In a shop environment, always wear Accurate Answer:- Safety glasses
When transporting or storing containers, always use Accurate Answer:-
A POL plug or dust cap
Which service valve is mandatory in the RV industry? Accurate Answer:-
Type I OPD
,What is now required to be part of ASME tanks but was not required prior to
1983? Accurate Answer:- OPD
The maximum allowable working pressure on an ASME tank can be found on
the Accurate Answer:- Data plate
The most common securing methods for cylinders include Accurate
Answer:- Adjustable straps and T-bars
Purging is necessary for Accurate Answer:- New and contaminated
containers
For purging, you must increase pressure by 15 psi and _____ is the total
number of purgings required. Accurate 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?
Accurate 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
Accurate Answer:- 375 psi
What can occur if a horizontal cylinder is not stored in its proper position?
Accurate Answer:- Liquid propane can enter the vapor system
Which of the following is NOT an appurtenance? Accurate Answer:-
Mounting bracket
Black or green connector knobs on Type 1 OPD service valves indicate
Accurate Answer:- Flow rating
ASME tanks are usually bolted to Accurate Answer:- The frame
On double cylinder assemblies, make sure Accurate Answer:- The
cylinder tray is attached to the unit's frame
, When purging, avoid applying a vacuum to containers that may have
contained Accurate Answer:- Propane
Failure to purge when necessary can cause Accurate Answer:- Odor
fade and false pressure
Cylinders should be filled using Accurate 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. Accurate
Answer:- 25
The lockup pressure test verifies the pressure at which Accurate
Answer:- The regulator locks up when no propane is flowing
Immediately after conducting the operating pressure test Accurate
Answer:- Close up the gas cock
Any regulator pressure over _____ inches WC will require the regulator to be
replaced. Accurate 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 _____. Accurate Answer:- Repeat the test...locate and
repair leal, and retest
What should be documented for a timed pressure drop test with a test
apparatus? Accurate 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. Accurate Answer:- 14
The operating test is used to determine the pressure the regulator is giving
when at least _____ of the appliance load is functioning. Accurate Answer:-
50%
