RAIL ROAD COMMISSION (RRC)
TEXAS LP-GAS EXAMINATION STUDY
GUIDE QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS 1100%
CORRECT RATED A+
Railroad Commission of Texas
LP-Gas Safety Rules
1. The commission does not adopt language in any NFPA rule, chart, figure or
table pertaining to any LP-Gas container having a water capacity of
_____________ gallon (______pounds LP-gas capacity) or less. -ANSWER ✔✔1.
The commission does not adopt language in any NFPA rule, chart, figure or table
pertaining to any LP-Gas container having a water capacity of
_____________gallon (______pounds LP-gas capacity) or less.
of ____one___gallon (4.2 pounds LP-gas capacity) or less.
2 PSI Regulator System: An ____________ ___________ ______ ____________
that combines a ______ stage regulator, a ___ PSI service regulator and a _______
pressure regulator. -ANSWER ✔✔2 PSI Regulator System: An _LP-GAS_
_vapor_ _delivery_ _system_ that combines a _first_ stage regulator, a _2_ PSI
service regulator and a _line_ pressure regulator.
2 PSI Service Regulator: A ________ regulator for LP-Gas vapor service designed
to reduce first-stage regulator outlet pressure to a nominal ___ psig. -ANSWER
✔✔2 PSI Service Regulator: A ___pressure_____ regulator for LP-Gas vapor
service designed to reduce first-stage regulator outlet pressure to a nominal __2__
psig.
Container: Any vessel, including _______, __________, ______ ______, and
______ _______, used for the transporting, or storing of LP-Gases. -ANSWER
✔✔Container: Any vessel, including __cylinders_____, ___tanks_______,
_portable_____ __tanks____, and ___cargo___ ___tanks____, used for the
transporting, or storing of LP-Gases.
,What are container appurtenances? -ANSWER ✔✔Container Appurtenances:
Devices installed in container openings for safety, control, or operating purposes.
(Examples include pressure-relief devices; shutoff valves, backflow check valves,
excess-flow valves and internal valves; liquid level gauges; pressure gauges; and
plugs).
Who is responsible for Alternative Fuel Safety (AFS)? -ANSWER ✔✔The RRC
(Railroad Commission) Department is responsible for LP-Gas training and
inspection.
LP Gas Safety Rules: The rules adopted by the RRC in the Texas Administrative
Code, Title ___, Part ___, Chapter ___ including any ____ or other documents
adopted by reference. -ANSWER ✔✔LP Gas Safety Rules: The rules adopted by
the RRC in the Texas Administrative Code, Title _16__, Part __1_, Chapter _9__
including any ____ or other documents adopted by reference.
Rules Examination: The commission's _____ examination that measures an
examinee's working knowledge of Chapter ______ of the _____ ______ _______
____ and/or the current _____ _____ rules. -ANSWER ✔✔Rules Examination:
The commission's __written___ examination that measures an examinee's working
knowledge of Chapter ___113___ of the __Texas___ __Natural____
___Resources____ __Code__ and/or the current ___LP__ _Gas____ rules.
What is the ASME? -ANSWER ✔✔ASME stands for the American Society of
Mechanical Engineers
What does DOT stand for? -ANSWER ✔✔The U.S. Department of Transportation
Define Excessive-Flow Valve (or Excess-Flow Check Valve -ANSWER ✔✔A
valve designed to close when the liquid or vapor passing through it exceeds a
prescribed "t" ow rate.
Fixed gauge level.
What is a Fixed Maximum Liquid Level Gauge also known as? (list 4) -ANSWER
✔✔Bleeder Valve
Outage Gauge
Spitter Valve
Spew Gauge
, What is a fixed maximum liquid level gauge? (definition according to study guide)
-ANSWER ✔✔A fixed liquid level gauge that indicates the liquid level at which
the container is filled to its maximum permitted filling limit.
First stage regulator: A _______ regulator for LP-Gas ________ _________
designed to ____________ ___________ from the container to ____ psig or
________. -ANSWER ✔✔First stage regulator: A ___pressure____ regulator for
LP-Gas __vapr______ ___service______ designed to __reduce____
____pressure___ from the container to __10__ psig or ___less_____.
Flexible Connector: A ________ (not exceeding _____ _____ overall length)
______ piping system component that is ______ from ______ material and
_______ with ________ at _________ ends. -ANSWER ✔✔Flexible Connector:
A ____short____ (not exceeding _60____ __inches___ overall length)
__fixed____ piping system component that is ___fabricated___ from
__flexible____ material and _equipped______ with __connections______ at
___both______ ends.
Flexible Hose Connector: a component _________ from LP-Gas ________ that is
made from ______ that is _______ with LP-Gas. -ANSWER ✔✔Flexible Hose
Connector: a component __fabricated_______ from LP-Gas ____hose____ that is
made from __material____ that is __compatible_____ with LP-Gas.
Flexible Metallic Container: A component fabricated from _____ material that
provides _____ and _____ LP-Gas _________ and is provided with ______ on
both ends. -ANSWER ✔✔Flexible Metallic Container: A component fabricated
from ___metallic____ material that provides __liquid___ and __vapor___ LP-Gas
____confinement_____ and is provided with __connections____ on both ends.
Integral Two-Stage Regulator: A _______ regulator for LP-Gas ________ service
that _________ a _______-pressure and a _______-stage regulator unit into a
_______ unit. -ANSWER ✔✔Integral Two-Stage Regulator: A ____pressure___
regulator for LP-Gas ____vapor____ service that __combines_______ a
___high____-pressure regulator and a ____second___-stage regulator unit into a
__single_____ unit.
Leak Check: An operation preformed on a _____ ________ system to _______
that the system does not _____. -ANSWER ✔✔Leak Check: An operation
TEXAS LP-GAS EXAMINATION STUDY
GUIDE QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS 1100%
CORRECT RATED A+
Railroad Commission of Texas
LP-Gas Safety Rules
1. The commission does not adopt language in any NFPA rule, chart, figure or
table pertaining to any LP-Gas container having a water capacity of
_____________ gallon (______pounds LP-gas capacity) or less. -ANSWER ✔✔1.
The commission does not adopt language in any NFPA rule, chart, figure or table
pertaining to any LP-Gas container having a water capacity of
_____________gallon (______pounds LP-gas capacity) or less.
of ____one___gallon (4.2 pounds LP-gas capacity) or less.
2 PSI Regulator System: An ____________ ___________ ______ ____________
that combines a ______ stage regulator, a ___ PSI service regulator and a _______
pressure regulator. -ANSWER ✔✔2 PSI Regulator System: An _LP-GAS_
_vapor_ _delivery_ _system_ that combines a _first_ stage regulator, a _2_ PSI
service regulator and a _line_ pressure regulator.
2 PSI Service Regulator: A ________ regulator for LP-Gas vapor service designed
to reduce first-stage regulator outlet pressure to a nominal ___ psig. -ANSWER
✔✔2 PSI Service Regulator: A ___pressure_____ regulator for LP-Gas vapor
service designed to reduce first-stage regulator outlet pressure to a nominal __2__
psig.
Container: Any vessel, including _______, __________, ______ ______, and
______ _______, used for the transporting, or storing of LP-Gases. -ANSWER
✔✔Container: Any vessel, including __cylinders_____, ___tanks_______,
_portable_____ __tanks____, and ___cargo___ ___tanks____, used for the
transporting, or storing of LP-Gases.
,What are container appurtenances? -ANSWER ✔✔Container Appurtenances:
Devices installed in container openings for safety, control, or operating purposes.
(Examples include pressure-relief devices; shutoff valves, backflow check valves,
excess-flow valves and internal valves; liquid level gauges; pressure gauges; and
plugs).
Who is responsible for Alternative Fuel Safety (AFS)? -ANSWER ✔✔The RRC
(Railroad Commission) Department is responsible for LP-Gas training and
inspection.
LP Gas Safety Rules: The rules adopted by the RRC in the Texas Administrative
Code, Title ___, Part ___, Chapter ___ including any ____ or other documents
adopted by reference. -ANSWER ✔✔LP Gas Safety Rules: The rules adopted by
the RRC in the Texas Administrative Code, Title _16__, Part __1_, Chapter _9__
including any ____ or other documents adopted by reference.
Rules Examination: The commission's _____ examination that measures an
examinee's working knowledge of Chapter ______ of the _____ ______ _______
____ and/or the current _____ _____ rules. -ANSWER ✔✔Rules Examination:
The commission's __written___ examination that measures an examinee's working
knowledge of Chapter ___113___ of the __Texas___ __Natural____
___Resources____ __Code__ and/or the current ___LP__ _Gas____ rules.
What is the ASME? -ANSWER ✔✔ASME stands for the American Society of
Mechanical Engineers
What does DOT stand for? -ANSWER ✔✔The U.S. Department of Transportation
Define Excessive-Flow Valve (or Excess-Flow Check Valve -ANSWER ✔✔A
valve designed to close when the liquid or vapor passing through it exceeds a
prescribed "t" ow rate.
Fixed gauge level.
What is a Fixed Maximum Liquid Level Gauge also known as? (list 4) -ANSWER
✔✔Bleeder Valve
Outage Gauge
Spitter Valve
Spew Gauge
, What is a fixed maximum liquid level gauge? (definition according to study guide)
-ANSWER ✔✔A fixed liquid level gauge that indicates the liquid level at which
the container is filled to its maximum permitted filling limit.
First stage regulator: A _______ regulator for LP-Gas ________ _________
designed to ____________ ___________ from the container to ____ psig or
________. -ANSWER ✔✔First stage regulator: A ___pressure____ regulator for
LP-Gas __vapr______ ___service______ designed to __reduce____
____pressure___ from the container to __10__ psig or ___less_____.
Flexible Connector: A ________ (not exceeding _____ _____ overall length)
______ piping system component that is ______ from ______ material and
_______ with ________ at _________ ends. -ANSWER ✔✔Flexible Connector:
A ____short____ (not exceeding _60____ __inches___ overall length)
__fixed____ piping system component that is ___fabricated___ from
__flexible____ material and _equipped______ with __connections______ at
___both______ ends.
Flexible Hose Connector: a component _________ from LP-Gas ________ that is
made from ______ that is _______ with LP-Gas. -ANSWER ✔✔Flexible Hose
Connector: a component __fabricated_______ from LP-Gas ____hose____ that is
made from __material____ that is __compatible_____ with LP-Gas.
Flexible Metallic Container: A component fabricated from _____ material that
provides _____ and _____ LP-Gas _________ and is provided with ______ on
both ends. -ANSWER ✔✔Flexible Metallic Container: A component fabricated
from ___metallic____ material that provides __liquid___ and __vapor___ LP-Gas
____confinement_____ and is provided with __connections____ on both ends.
Integral Two-Stage Regulator: A _______ regulator for LP-Gas ________ service
that _________ a _______-pressure and a _______-stage regulator unit into a
_______ unit. -ANSWER ✔✔Integral Two-Stage Regulator: A ____pressure___
regulator for LP-Gas ____vapor____ service that __combines_______ a
___high____-pressure regulator and a ____second___-stage regulator unit into a
__single_____ unit.
Leak Check: An operation preformed on a _____ ________ system to _______
that the system does not _____. -ANSWER ✔✔Leak Check: An operation
