LP-gas Texas bobtail question with
answers
required for all piping systems that serve _______ psig appliance systems. normally
operated at 11 in WC pressure - -1/2
required for all piping systems that serve 1/2 psig appliance systems. normally
operated at ______ in WC pressure - -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 - -6
600
Fire Extinquishers must have minimum capacity of _____ lbs dry chemical with a
___ : ___ rating - -18
B:C
Cargo Tank Inspection and Tests
V= ____ ____ inspection every __ years
K= ____ test every ____ years
P= ____ test every ____ years
I= ____ ____ inspection every __ years - -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 - -1/5
A propane leak can - -Displace Oxygen an causes suffocation
Bulk plant emergency shutoff for 4001 gal aggregate wc or more shall have - -
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 _____ - -5
painted
All underground pipe, metallic or poly must be covered by ____ inches or ____ inches
if damage is likely - -12
18
Outdoor metallic piping shall have ___ pressure limits - -no
Polyethylene piping systems shall be limited to ____ psig - -30
Polyethylene piping shall be used _______ only - -underground
, Texas school leak tests must last a minimum of ____ minutes - -30
LPG form ____ must be keep on file for ____ years - -30
5
Texas school leak tests must be done every ____ years - -2
The term NQT on cargo tanks means - -Non-Quenched Tempered
Single family home pressure testing must last a minimum of ___ minutes - -10
Pressure testing and inspection should be no less than ____ hour for every ____ feet -
-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 - -4.2
40
cylinders with 4.2 lbs propane through 40 lbs propane capacity for vapor service
shall have ____ ____ ____ and a ____ ____ ____ _____ - -overfilling prevention device
fixed liquid level gauge
cylinders are designed with atleast ____ psig service pressure - -240
LP-Incident/accidents
notify ____ by telephone within ____ hours following discovery - -AFS
2
methods for conducting leak test on schools
____ of 1st stage regulator
____ the 1st stage & 2nd stage regulator
____ of the final stage regulator - -upstream
between
downstream
scales must be registered by ____ ____ ____ ____ - -Texas department of Agriculture
ESV - -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 - -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 - -12
answers
required for all piping systems that serve _______ psig appliance systems. normally
operated at 11 in WC pressure - -1/2
required for all piping systems that serve 1/2 psig appliance systems. normally
operated at ______ in WC pressure - -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 - -6
600
Fire Extinquishers must have minimum capacity of _____ lbs dry chemical with a
___ : ___ rating - -18
B:C
Cargo Tank Inspection and Tests
V= ____ ____ inspection every __ years
K= ____ test every ____ years
P= ____ test every ____ years
I= ____ ____ inspection every __ years - -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 - -1/5
A propane leak can - -Displace Oxygen an causes suffocation
Bulk plant emergency shutoff for 4001 gal aggregate wc or more shall have - -
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 _____ - -5
painted
All underground pipe, metallic or poly must be covered by ____ inches or ____ inches
if damage is likely - -12
18
Outdoor metallic piping shall have ___ pressure limits - -no
Polyethylene piping systems shall be limited to ____ psig - -30
Polyethylene piping shall be used _______ only - -underground
, Texas school leak tests must last a minimum of ____ minutes - -30
LPG form ____ must be keep on file for ____ years - -30
5
Texas school leak tests must be done every ____ years - -2
The term NQT on cargo tanks means - -Non-Quenched Tempered
Single family home pressure testing must last a minimum of ___ minutes - -10
Pressure testing and inspection should be no less than ____ hour for every ____ feet -
-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 - -4.2
40
cylinders with 4.2 lbs propane through 40 lbs propane capacity for vapor service
shall have ____ ____ ____ and a ____ ____ ____ _____ - -overfilling prevention device
fixed liquid level gauge
cylinders are designed with atleast ____ psig service pressure - -240
LP-Incident/accidents
notify ____ by telephone within ____ hours following discovery - -AFS
2
methods for conducting leak test on schools
____ of 1st stage regulator
____ the 1st stage & 2nd stage regulator
____ of the final stage regulator - -upstream
between
downstream
scales must be registered by ____ ____ ____ ____ - -Texas department of Agriculture
ESV - -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 - -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 - -12
