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Cat E LP Gas Safety Rules Exam Questions
and Answers
AFS - Answers✓✓The Commission's Alternative Fuel Safety Department within the
Commission's Oversight and Safety Division.LP-Gas Safety Rules, §9.2(1)
Certified - Answers✓✓Authorized to perform LP-gas work as set forth in the Texas Natural
Resource Code. Employee certification alone does not allow an individual to perform those
activities which require licensing.LP-Gas Safety Rules, §9.2(8)
Advanced field training (AFT) - Answers✓✓The final portion of the training or continuing
education requirements in which an individual shall successfully perform the specified LP-gas
activities in order to demonstrate proficiency in those activities.LP-Gas Safety Rules, §9.2(2)
Company Representative. - Answers✓✓The individual designated to the Commission by a
license applicant or a licensee as the principal individual in authority and, in the case of a
licensee other than a Category P licensee, actively supervising the conduct of the licensee's LP-
gas activities.LP-Gas Safety Rules, §9.2(12)
Leak Grades 1 - Answers✓✓leak that represents an existing or probable hazard to persons or
property and requires immediate repair or continuous action until the conditions are no longer
hazardous; or
Leak Grade 2 - Answers✓✓leak that is recognized as being nonhazardous at the time of
detection, but requires a scheduled repair based on a probable future hazard.LP-Gas Safety
Rules, §9.2(19)
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Licensed - Answers✓✓Authorized by the Commission to perform LP-gas activities through the
issuance of a valid license.LP-Gas Safety Rules, §9.2(20)
Licensee - Answers✓✓A person which has applied for and been granted an LP-gas license be
the Commission, or who holds a master or journeyman plumber license from the Texas Board of
Plumbing Examiners or a Class A or B Air Conditioning and Refrigeration Contractors License
from the Texas Department of Licensing and Regulation and has properly registered with the
Commission.LP-Gas Safety Rules, §9.2(21)
Mobile fuel container - Answers✓✓An LP-gas container mounted on a vehicle to store LP-gas
as the fuel supply to an auxiliary engine other than the engine to propel the vehicle or for other
uses on the vehicle.LP-Gas Safety Rules, §9.2(25)
Mobile fuel system - Answers✓✓. An LP-gas system, excluding the container, to supply LP-gas
as a fuel to an auxiliary engine other than the engine to propel the vehicle or for other uses on
the vehicle.LP-Gas Safety Rules, §9.2(26)
Motor fuel container . - Answers✓✓An LP-gas container mounted on a vehicle to store LP-gas
as the fuel supply to an engine used to propel the vehicle.LP-Gas Safety Rules, §9.2(27)
Operations Supervisor. - Answers✓✓The individual who is certified by the Commission to
actively supervise a licensee's LP-gas operations and is authorized by the licensee to implement
operational changes.LP-Gas Safety Rules, §9.2(31)
Outlet - Answers✓✓A site operated by an LP-gas licensee from which any regulated LP-gas
activity is performed.LP-Gas Safety Rules, §9.2(32)
Portable cylinder. - Answers✓✓A receptacle constructed to DOT specifications, designed to be
moved readily, and used for the storage of LP-gas for connection to an appliance or an LP-gas
system. The term does not include a cylinder designed for use on a forklift or similar
equipment.LP-Gas Safety Rules, §9.2(35)
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Rules examination. - Answers✓✓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 rules of this chapter.LP-Gas Safety Rules, §9.2(41)
Trainee. - Answers✓✓An individual who has not yet taken and passed an employee-level rules
examination.LP-Gas Safety Rules, §9.2(49)
NFPA 54 (2018) - Answers✓✓
Listed. - Answers✓✓Equipment, materials, or services included in a list published by an
organization that is acceptable to the authority having jurisdiction and concerned with
evaluation of products or services, that maintains periodic inspection of production of listed
equipment or materials or periodic evaluation of services, and whose listing states that either the
equipment, material, or service meets appropriate designated standards or has been tested and
found suitable for a specified purpose.NFPA 54, §3.2.5
Direct Vent Appliances. - Answers✓✓Appliances that are constructed and installed so that all
air for combustion is derived directly from the outdoors and all flue gases are discharged to the
outdoors.NFPA 54, §3.3.5.3
Clothes Dryer. - Answers✓✓An appliance used to dry wet laundry by means of heat.
Type 1 Clothes Dryer. - Answers✓✓Primarily used in family living environment. May or may
not be coin-operated for
Type 2 Clothes Dryer. - Answers✓✓Used in business with direct intercourse of the function
with the public. May or may not be operated by public or hired attendant. May or may not be
coin-operatedNFPA 54, §3.3.19
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Gas Vent. - Answers✓✓A passageway composed of listed factory-built components assembled
in accordance with the manufacturer's installation instructions for conveying vent gases from
appliances or their vent connectors to the outdoors.NFPA 54, §3.3.53
Gas Appliance Pressure Regulator. - Answers✓✓A pressure regulator for controlling pressure to
the appliance manifold.NFPA 54, §3.3.84.2
Line Pressure Regulator. - Answers✓✓A pressure regulator placed in a gas line between the
service regulator and the appliance regulator.NFPA 54, §3.3.84.3
Piping system. - Answers✓✓All piping, valves, and fittings from the outlet of the point of
delivery from the supplier to the outlets of the equipment shutoff valves.NFPA 54, §3.3.98.6
NFPA 58 (2017) - Answers✓✓
ASME. - Answers✓✓American Society of Mechanical Engineers.NFPA 58, §3.3.6
Container. - Answers✓✓Any vessel, including cylinders, tanks, portable tanks, and cargo tanks,
used to transport or store LP-gases.NFPA 58, §3.3.14
Container appurtenances. - Answers✓✓Devices installed in container openings for safety,
control, or operating purposes.NFPA 58, §3.3.15
Universal Cylinder. - Answers✓✓A cylinder that can be connected for service in either the
vertical or the horizontal position so that the fixed maximum liquid level gauge, pressure relief
device, and filling and withdrawal appurtenances function properly in either position.NFPA 58,
§3.3.17.1
Volumetric Method Filling. - Answers✓✓Filling a container to not more than the maximum
permitted liquid volume.NFPA 58, §3.3.26.1
