LP-gas Texas bobtail Exam Questions And
Answers |Latest 2025 | Guaranteed Pass.
Required for all piping systems that serve _______ psig appliance systems. normally operated
at 11 in WC pressure - Answer✔1/2
required for all piping systems that serve 1/2 psig appliance systems. normally operated at
______ in WC pressure - 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 - Answer✔6
600
Fire Extinquishers must have minimum capacity of _____ lbs dry chemical with a ___ : ___
rating - 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 - Answer✔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 - Answer✔1/5
A propane leak can - Answer✔Displace Oxygen an causes suffocation
Bulk plant emergency shutoff for 4001 gal aggregate wc or more shall have - Answer✔opening
of 1 1/4 in or more
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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 _____ - Answer✔5
painted
All underground pipe, metallic or poly must be covered by ____ inches or ____ inches if
damage is likely - Answer✔12
18
Outdoor metallic piping shall have ___ pressure limits - Answer✔no
Polyethylene piping systems shall be limited to ____ psig - Answer✔30
Polyethylene piping shall be used _______ only - Answer✔underground
Texas school leak tests must last a minimum of ____ minutes - Answer✔30
LPG form ____ must be keep on file for ____ years - Answer✔30
5
Texas school leak tests must be done every ____ years - Answer✔2
The term NQT on cargo tanks means - Answer✔Non-Quenched Tempered
Single family home pressure testing must last a minimum of ___ minutes - Answer✔10
Pressure testing and inspection should be no less than ____ hour for every ____ feet -
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 - Answer✔4.2
40
cylinders with 4.2 lbs propane through 40 lbs propane capacity for vapor service shall have
____ ____ ____ and a ____ ____ ____ _____ - Answer✔overfilling prevention device
fixed liquid level gauge
cylinders are designed with atleast ____ psig service pressure - Answer✔240
LP-Incident/accidents
notify ____ by telephone within ____ hours following discovery - Answer✔AFS
2