1
LP- GAS TEXAS BOBTAIL EXAM QUESTIONS AND
CORRECT ANSWERS 2025 GRADED A+.
required for all piping systems that serve _______ psig appliance systems.
normally operated at 11 in WC pressure - (answers)1/2
required for all piping systems that serve 1/2 psig appliance systems. normally
operated at ______ in WC pressure - (answers)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 -
(answers)6
600
Fire Extinquishers must have minimum capacity of _____ lbs dry chemical with a
___ : ___ rating - (answers)18
B:C
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
, 2
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
, 3
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
LP- GAS TEXAS BOBTAIL EXAM QUESTIONS AND
CORRECT ANSWERS 2025 GRADED A+.
required for all piping systems that serve _______ psig appliance systems.
normally operated at 11 in WC pressure - (answers)1/2
required for all piping systems that serve 1/2 psig appliance systems. normally
operated at ______ in WC pressure - (answers)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 -
(answers)6
600
Fire Extinquishers must have minimum capacity of _____ lbs dry chemical with a
___ : ___ rating - (answers)18
B:C
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
, 2
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
, 3
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
