LP-GAS TEXAS BOBTAIL QUESTIONS AND ANSWERS
Required for all piping systems that serve _______ psig appliance systems. Normally
operated at 11 in wc pressure - answers -1/2
Cargo tank inspection and tests
V= ____ ____ inspection every __ years
K= ____ test every ____ years
P= ____ test every ____ years
I= ____ ____ inspection every __ years - answers -external visual inspection 1 year
Leak test 1 year
Pressure test 5 years
Internal visual inspection 5 years
What is the lower limit of combustibility of odorized lp-gas - answers -1/5
A propane leak can - answers -displace oxygen an causes suffocation
Bulk plant emergency shutoff for 4001 gal aggregate wc or more shall have - answers -
opening of 1 1/4 in or more
Pneumatically operated esv
Pneumatically operated internal valves
Back-check valves for into tank only
Thermal element must be located within ____ ft of the esv and can not be _____ -
answers -5
Painted
All underground pipe, metallic or poly must be covered by ____ inches or ____ inches if
damage is likely - answers -12
18
Outdoor metallic piping shall have ___ pressure limits - answers -no
Polyethylene piping systems shall be limited to ____ psig - answers -30
Polyethylene piping shall be used _______ only - answers -underground
Texas school leak tests must last a minimum of ____ minutes - answers -30
Lpg form ____ must be keep on file for ____ years - answers -30
5
Texas school leak tests must be done every ____ years - answers -2
The term nqt on cargo tanks means - answers -non-quenched tempered
, Single family home pressure testing must last a minimum of ___ minutes - answers -10
Pressure testing and inspection should be no less than ____ hour for every ____ feet -
answers -1/2
500
Cylinders with ____ lbs propane through ____ lbs propane capacity for vapor service
shall have overfilling prevention device and a fixed liquid level gauge - answers -4.2
40
Cylinders with 4.2 lbs propane through 40 lbs propane capacity for vapor service shall
have ____ ____ ____ and a ____ ____ ____ _____ - answers -overfilling prevention
device
Fixed liquid level gauge
Cylinders are designed with atleast ____ psig service pressure - answers -240
Lp-incident/accidents
Notify ____ by telephone within ____ hours following discovery - answers -afs
2
Methods for conducting leak test on schools
____ of 1st stage regulator
____ the 1st stage & 2nd stage regulator
____ of the final stage regulator - answers -upstream
Between
Downstream
Scales must be registered by ____ ____ ____ ____ - answers -texas department of
agriculture
Esv - answers -emergency shutoff valve
Cathodic protection testing on buried containers must be done within ____ days of
installation. Then every 12 to 18 months after initial test. Follow up intervals not to
exceed 36 months.
Repairs must be done within 180 days - answers -180
Cathodic protection testing on buried containers must be done within 180 days of
installation. Then ____ to ____ months after initial test. Follow up intervals not to
exceed 36 months.
Repairs must be done within 180 days - answers -12
18
Required for all piping systems that serve _______ psig appliance systems. Normally
operated at 11 in wc pressure - answers -1/2
Cargo tank inspection and tests
V= ____ ____ inspection every __ years
K= ____ test every ____ years
P= ____ test every ____ years
I= ____ ____ inspection every __ years - answers -external visual inspection 1 year
Leak test 1 year
Pressure test 5 years
Internal visual inspection 5 years
What is the lower limit of combustibility of odorized lp-gas - answers -1/5
A propane leak can - answers -displace oxygen an causes suffocation
Bulk plant emergency shutoff for 4001 gal aggregate wc or more shall have - answers -
opening of 1 1/4 in or more
Pneumatically operated esv
Pneumatically operated internal valves
Back-check valves for into tank only
Thermal element must be located within ____ ft of the esv and can not be _____ -
answers -5
Painted
All underground pipe, metallic or poly must be covered by ____ inches or ____ inches if
damage is likely - answers -12
18
Outdoor metallic piping shall have ___ pressure limits - answers -no
Polyethylene piping systems shall be limited to ____ psig - answers -30
Polyethylene piping shall be used _______ only - answers -underground
Texas school leak tests must last a minimum of ____ minutes - answers -30
Lpg form ____ must be keep on file for ____ years - answers -30
5
Texas school leak tests must be done every ____ years - answers -2
The term nqt on cargo tanks means - answers -non-quenched tempered
, Single family home pressure testing must last a minimum of ___ minutes - answers -10
Pressure testing and inspection should be no less than ____ hour for every ____ feet -
answers -1/2
500
Cylinders with ____ lbs propane through ____ lbs propane capacity for vapor service
shall have overfilling prevention device and a fixed liquid level gauge - answers -4.2
40
Cylinders with 4.2 lbs propane through 40 lbs propane capacity for vapor service shall
have ____ ____ ____ and a ____ ____ ____ _____ - answers -overfilling prevention
device
Fixed liquid level gauge
Cylinders are designed with atleast ____ psig service pressure - answers -240
Lp-incident/accidents
Notify ____ by telephone within ____ hours following discovery - answers -afs
2
Methods for conducting leak test on schools
____ of 1st stage regulator
____ the 1st stage & 2nd stage regulator
____ of the final stage regulator - answers -upstream
Between
Downstream
Scales must be registered by ____ ____ ____ ____ - answers -texas department of
agriculture
Esv - answers -emergency shutoff valve
Cathodic protection testing on buried containers must be done within ____ days of
installation. Then every 12 to 18 months after initial test. Follow up intervals not to
exceed 36 months.
Repairs must be done within 180 days - answers -180
Cathodic protection testing on buried containers must be done within 180 days of
installation. Then ____ to ____ months after initial test. Follow up intervals not to
exceed 36 months.
Repairs must be done within 180 days - answers -12
18
