Propane, as extracted, - ANS_Is odorless and colorless
The device used on a propane tank to reduce pressure is called a - ANS_Regulator
The boiling point for propane is - ANS_-44*F (-42*C)
A property of propane is that, when heated, it - ANS_Expands
When an element or compound changes from the liquid phase to a vapor, it is called - ANS_Vaporization
When working with propane systems, the most important factor to consider is - ANS_Safety
Propane is flammable, can explode with pressure, and is able to - ANS_Freeze skin
It is important to wear gloves when using propane because it can - ANS_Freeze the skin
When working with propane, it is important to wear - ANS_Appropriate gloves
To close a service valve on a propane tank, it is best to tighten the valve with - ANS_A hand
In a shop environment, always wear - ANS_Safety glasses
,When transporting or storing containers, always use - ANS_A POL plug or dust cap
Which service valve is mandatory in the RV industry? - ANS_Type I OPD
What is now required to be part of ASME tanks but was not required prior to 1983? - ANS_OPD
The maximum allowable working pressure on an ASME tank can be found on the - ANS_Data plate
The most common securing methods for cylinders include - ANS_Adjustable straps and T-bars
Purging is necessary for - ANS_New and contaminated containers
For purging, you must increase pressure by 15 psi and _____ is the total number of purgings required. -
ANS_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? - ANS_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 - ANS_375 psi
What can occur if a horizontal cylinder is not stored in its proper position? - ANS_Liquid propane can
enter the vapor system
Which of the following is NOT an appurtenance? - ANS_Mounting bracket
, Black or green connector knobs on Type 1 OPD service valves indicate - ANS_Flow rating
ASME tanks are usually bolted to - ANS_The frame
On double cylinder assemblies, make sure - ANS_The cylinder tray is attached to the unit's frame
When purging, avoid applying a vacuum to containers that may have contained - ANS_Propane
Failure to purge when necessary can cause - ANS_Odor fade and false pressure
Cylinders should be filled using - ANS_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. - ANS_25
The lockup pressure test verifies the pressure at which - ANS_The regulator locks up when no propane is
flowing
Immediately after conducting the operating pressure test - ANS_Close up the gas cock
Any regulator pressure over _____ inches WC will require the regulator to be replaced. - ANS_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 _____. - ANS_Repeat the test...locate
and repair leal, and retest
The device used on a propane tank to reduce pressure is called a - ANS_Regulator
The boiling point for propane is - ANS_-44*F (-42*C)
A property of propane is that, when heated, it - ANS_Expands
When an element or compound changes from the liquid phase to a vapor, it is called - ANS_Vaporization
When working with propane systems, the most important factor to consider is - ANS_Safety
Propane is flammable, can explode with pressure, and is able to - ANS_Freeze skin
It is important to wear gloves when using propane because it can - ANS_Freeze the skin
When working with propane, it is important to wear - ANS_Appropriate gloves
To close a service valve on a propane tank, it is best to tighten the valve with - ANS_A hand
In a shop environment, always wear - ANS_Safety glasses
,When transporting or storing containers, always use - ANS_A POL plug or dust cap
Which service valve is mandatory in the RV industry? - ANS_Type I OPD
What is now required to be part of ASME tanks but was not required prior to 1983? - ANS_OPD
The maximum allowable working pressure on an ASME tank can be found on the - ANS_Data plate
The most common securing methods for cylinders include - ANS_Adjustable straps and T-bars
Purging is necessary for - ANS_New and contaminated containers
For purging, you must increase pressure by 15 psi and _____ is the total number of purgings required. -
ANS_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? - ANS_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 - ANS_375 psi
What can occur if a horizontal cylinder is not stored in its proper position? - ANS_Liquid propane can
enter the vapor system
Which of the following is NOT an appurtenance? - ANS_Mounting bracket
, Black or green connector knobs on Type 1 OPD service valves indicate - ANS_Flow rating
ASME tanks are usually bolted to - ANS_The frame
On double cylinder assemblies, make sure - ANS_The cylinder tray is attached to the unit's frame
When purging, avoid applying a vacuum to containers that may have contained - ANS_Propane
Failure to purge when necessary can cause - ANS_Odor fade and false pressure
Cylinders should be filled using - ANS_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. - ANS_25
The lockup pressure test verifies the pressure at which - ANS_The regulator locks up when no propane is
flowing
Immediately after conducting the operating pressure test - ANS_Close up the gas cock
Any regulator pressure over _____ inches WC will require the regulator to be replaced. - ANS_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 _____. - ANS_Repeat the test...locate
and repair leal, and retest
