RVTI LEVEL 1 CERTIFICATION EXAM Study
guide (Latest 2025-2026 Update) Questions &
Verified Answers
What |percentage |of |propane |tank |capacity |is |reserved |to |prevent |overpressure |from |expansion?
20%
|
What |test |must |be |performed |each |time |a |system |is |opened?
Time |Pressure |Drop
|
A |service |shut-off |valve |should |only |be |closed |with
Hands
|
A |Type |I |(CGA |791) |valve |should |Never
be |closed |with |a |POL |plastic |plug
|
Gloves |must |be |worn |when
filling |a |propane |cylinder
|
When |purging |a |20# |propane |cylinder |what |is |the |minimum |distance |to |an |ignition |source?
,25 |feet
An |opened |outage |valve |is |used
to |indicate |the |maximum |liquid |level
Backup |wrenches |are |used
to |prevent |damage |to |propane |connections
When |filling |a |propane |container, |25 |feet |is |the
minimum |distance |to |an |ignition |source
|
When |transporting |a |DOT |propane |cylinder |you |should |install
a |dust |cap
|
-44 |degrees |Fahrenheit |is
the |boiling |point |of |propane
|
,What |is |the |weight |of |five |liquid |gallons |of |propane? |21
Pounds
|
How |many |British |Thermal |Units |are |in |a |pound |of |liquid |propane |at |60 |degrees |Fahrenheit? |21,548
What |is |the |maximum |percentage |of |propane |vapor |in |the |atmosphere |that |will |ignite? |9.6%
The |chemical |that |gives |propane |its |odor |is |ethel
mercaptan
|
Temperature |of |a |propane |container |affects |the
flow |of |vapor |from |the |container
|
What |is |the |maximum |lock |up |regulator |pressure? |14
inches |water |column
|
, What |reduces |propane |container |pressure |to |10 |PSI?
First |stage |of |a |regulator
|
For |each |10 |degrees |propane |liquid |is |warmed, |its |volume
increases |1.5 |%
|
What |is |the |approximate |number |of |BTUs |in |a |20 |pound |propane |cylinder?
345,000
|
Propane |gas |is |how |many |times |heavier |than |air?
1.5 |times |heavier |than |air
When |the |pressure |in |a |container |is |near |zero |as |a |result |of |cooling |from |us |has
outrun |the |rate |of |vaporization
|
Propane |gas |released |into |the |atmosphere |is
invisible
|
guide (Latest 2025-2026 Update) Questions &
Verified Answers
What |percentage |of |propane |tank |capacity |is |reserved |to |prevent |overpressure |from |expansion?
20%
|
What |test |must |be |performed |each |time |a |system |is |opened?
Time |Pressure |Drop
|
A |service |shut-off |valve |should |only |be |closed |with
Hands
|
A |Type |I |(CGA |791) |valve |should |Never
be |closed |with |a |POL |plastic |plug
|
Gloves |must |be |worn |when
filling |a |propane |cylinder
|
When |purging |a |20# |propane |cylinder |what |is |the |minimum |distance |to |an |ignition |source?
,25 |feet
An |opened |outage |valve |is |used
to |indicate |the |maximum |liquid |level
Backup |wrenches |are |used
to |prevent |damage |to |propane |connections
When |filling |a |propane |container, |25 |feet |is |the
minimum |distance |to |an |ignition |source
|
When |transporting |a |DOT |propane |cylinder |you |should |install
a |dust |cap
|
-44 |degrees |Fahrenheit |is
the |boiling |point |of |propane
|
,What |is |the |weight |of |five |liquid |gallons |of |propane? |21
Pounds
|
How |many |British |Thermal |Units |are |in |a |pound |of |liquid |propane |at |60 |degrees |Fahrenheit? |21,548
What |is |the |maximum |percentage |of |propane |vapor |in |the |atmosphere |that |will |ignite? |9.6%
The |chemical |that |gives |propane |its |odor |is |ethel
mercaptan
|
Temperature |of |a |propane |container |affects |the
flow |of |vapor |from |the |container
|
What |is |the |maximum |lock |up |regulator |pressure? |14
inches |water |column
|
, What |reduces |propane |container |pressure |to |10 |PSI?
First |stage |of |a |regulator
|
For |each |10 |degrees |propane |liquid |is |warmed, |its |volume
increases |1.5 |%
|
What |is |the |approximate |number |of |BTUs |in |a |20 |pound |propane |cylinder?
345,000
|
Propane |gas |is |how |many |times |heavier |than |air?
1.5 |times |heavier |than |air
When |the |pressure |in |a |container |is |near |zero |as |a |result |of |cooling |from |us |has
outrun |the |rate |of |vaporization
|
Propane |gas |released |into |the |atmosphere |is
invisible
|
