dispensing LP-gas safely
LP-gas Texas bobtail Exam Study Questions with
Verified Answers 2025
required for all piping systems that serve _______ psig appliance systems. normally
operated at 11 in WC pressure -Correct Answer ✔1/2
required for all piping systems that serve 1/2 psig appliance systems. normally operated
at ______ in WC pressure -Correct Answer ✔11
above group LP-gas containers must not be located within ____ feet of the vertical plane
beneath overhead electric power lines that are over _____ volts -Correct Answer ✔6
600
Fire Extinquishers must have minimum capacity of _____ lbs dry chemical with a ___ :
___ rating -Correct Answer ✔18
B:C
Cargo Tank Inspection and Tests
V= ____ ____ inspection every __ years
K= ____ test every ____ years
P= ____ test every ____ years
I= ____ ____ inspection every __ years -Correct Answer ✔external visual inspection 1
year
leak test 1 year
pressure test 5 years
internal visual inspection 5 years
dispensing LP-gas safely
,dispensing LP-gas safely
what is the lower limit of combustibility of odorized LP-gas -Correct Answer ✔1/5
A propane leak can -Correct Answer ✔Displace Oxygen an causes suffocation
Bulk plant emergency shutoff for 4001 gal aggregate wc or more shall have -Correct
Answer ✔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 _____ -
Correct Answer ✔5
painted
All underground pipe, metallic or poly must be covered by ____ inches or ____ inches if
damage is likely -Correct Answer ✔12
18
Outdoor metallic piping shall have ___ pressure limits -Correct Answer ✔no
Polyethylene piping systems shall be limited to ____ psig -Correct Answer ✔30
Polyethylene piping shall be used _______ only -Correct Answer ✔underground
Texas school leak tests must last a minimum of ____ minutes -Correct Answer ✔30
dispensing LP-gas safely
, dispensing LP-gas safely
LPG form ____ must be keep on file for ____ years -Correct Answer ✔30
5
Texas school leak tests must be done every ____ years -Correct Answer ✔2
The term NQT on cargo tanks means -Correct Answer ✔Non-Quenched Tempered
Single family home pressure testing must last a minimum of ___ minutes -Correct
Answer ✔10
Pressure testing and inspection should be no less than ____ hour for every ____ feet -
Correct Answer ✔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 -Correct Answer
✔4.2
40
cylinders with 4.2 lbs propane through 40 lbs propane capacity for vapor service shall
have ____ ____ ____ and a ____ ____ ____ _____ -Correct Answer ✔overfilling
prevention device
fixed liquid level gauge
cylinders are designed with atleast ____ psig service pressure -Correct Answer ✔240
LP-Incident/accidents
dispensing LP-gas safely
LP-gas Texas bobtail Exam Study Questions with
Verified Answers 2025
required for all piping systems that serve _______ psig appliance systems. normally
operated at 11 in WC pressure -Correct Answer ✔1/2
required for all piping systems that serve 1/2 psig appliance systems. normally operated
at ______ in WC pressure -Correct Answer ✔11
above group LP-gas containers must not be located within ____ feet of the vertical plane
beneath overhead electric power lines that are over _____ volts -Correct Answer ✔6
600
Fire Extinquishers must have minimum capacity of _____ lbs dry chemical with a ___ :
___ rating -Correct Answer ✔18
B:C
Cargo Tank Inspection and Tests
V= ____ ____ inspection every __ years
K= ____ test every ____ years
P= ____ test every ____ years
I= ____ ____ inspection every __ years -Correct Answer ✔external visual inspection 1
year
leak test 1 year
pressure test 5 years
internal visual inspection 5 years
dispensing LP-gas safely
,dispensing LP-gas safely
what is the lower limit of combustibility of odorized LP-gas -Correct Answer ✔1/5
A propane leak can -Correct Answer ✔Displace Oxygen an causes suffocation
Bulk plant emergency shutoff for 4001 gal aggregate wc or more shall have -Correct
Answer ✔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 _____ -
Correct Answer ✔5
painted
All underground pipe, metallic or poly must be covered by ____ inches or ____ inches if
damage is likely -Correct Answer ✔12
18
Outdoor metallic piping shall have ___ pressure limits -Correct Answer ✔no
Polyethylene piping systems shall be limited to ____ psig -Correct Answer ✔30
Polyethylene piping shall be used _______ only -Correct Answer ✔underground
Texas school leak tests must last a minimum of ____ minutes -Correct Answer ✔30
dispensing LP-gas safely
, dispensing LP-gas safely
LPG form ____ must be keep on file for ____ years -Correct Answer ✔30
5
Texas school leak tests must be done every ____ years -Correct Answer ✔2
The term NQT on cargo tanks means -Correct Answer ✔Non-Quenched Tempered
Single family home pressure testing must last a minimum of ___ minutes -Correct
Answer ✔10
Pressure testing and inspection should be no less than ____ hour for every ____ feet -
Correct Answer ✔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 -Correct Answer
✔4.2
40
cylinders with 4.2 lbs propane through 40 lbs propane capacity for vapor service shall
have ____ ____ ____ and a ____ ____ ____ _____ -Correct Answer ✔overfilling
prevention device
fixed liquid level gauge
cylinders are designed with atleast ____ psig service pressure -Correct Answer ✔240
LP-Incident/accidents
dispensing LP-gas safely
