CETP LATEST 2026 EXAMINATION SET QUESTIONS AND
ANSWERS GRADED A+
✔✔Gas warning agents (odorants) are added to propane to: - ✔✔A. Make the gas last
longer
B. Make the gas detectable if it leaks into the air
C. Add a pleasant smell to the burning fuel
D. Make the has more reactive and cimbustible
✔✔Propane odorants are: - ✔✔A. Pleasant-smelling and barely detectable
B. Bitter-smelling and corrosive
C. Distinctive smelling and nontoxic
D. Non-burning and colorful
✔✔An effective way to prevent odorant fade in new containers, or in those that have
been open to the atmosphere is to: - ✔✔A. Open valves on containers in storage
B. Purge containers and keep them pressurized until installed
C. Remove odorant from containers in use
D. Increase the water content in contrainers
✔✔A customer calls in to report a strong smell of gas at the site. A proper response for
the employee to give the customer would be to: - ✔✔A. Schedule an appointment for a
technician to come and check it out
B. Purchase a gas detector and monitor the readings
C> Ask the neighbors if they can also smell the gas
D. Evacuate the structure and keep a safe distance away
✔✔The three ingredients necessary for combustion are: - ✔✔A. Nitrogen, pressure, and
heat
B. Fuel, oxygen, and an ignition source
C. Gas, Liquid, and a solid
D. Vapor, flame, and air
✔✔Propane burns most efficiently at which gas-air mixture? - ✔✔A. 1 part propane to
24 parts air
B. 10 parts propane to 20 parts air
C. 25 parts propane to 15 parts air
D. 50 parts propane to 5 parts air
✔✔Incomplete combustion of propane results in: - ✔✔A. Excessive heat production
B. Conversion of propane to oxygen
C. Inefficient use of fuel and harmful byproducts
D. Inability of the propane to burn
, ✔✔Complete propane combustion result sin the production of water vapor and carbon
dioxide, while incomplete propane combustion produces: - ✔✔A. Carbon dioxide,
ethanol, and ash
B. Oxygen, nitrogen, and smoke
C. Carbon monoxide, aldehydes, and soot
D. Oxygen, propylene, and carbon
✔✔Carbon monoxide gas is: - ✔✔A. Pinkish, sweet-smelling, and thick
B. Bitter-tasting with an acrid smell
C. Foggy, damp, and funny-smelling
D. Odorless, colorless, and tasteless
✔✔Indications that carbon monoxide may be present in a customer's residence include
- ✔✔A. The customer complains of headache, nausea, and water condensation on the
windows
B. The customer's house is warm and very dry
C. The customer is pleased that houseplants are growing better than usual
D. The customer is anxious and nervous
✔✔Which of the following is a safe practice that employees must follow when working
with propane? - ✔✔A. Static electricity is annoying, but no riskto igniting propane gas
B. Smoking is not permitted near propane gas as it may ignite the gas
C. Smoking is a safe practice because propane must be an act mix to ignite
D. Safety risks are low because an open flame is the only way to ignite porpane
✔✔Which organization sets the standard for the manufacturing of propane tanks and
the pressure relief valves used in those tanks? - ✔✔A. The National Propane Gas
association (NPGA)
B. The American Society for Mechanical Engineers (ASME)
C. The Department of Transportation (DOT)
D. The National Fire Protection Association (NFPA)
✔✔Which organization develops standards for propane storage, handling, and
installation? - ✔✔A. Federal government
B. State Department of Transportation (DOT)
C. National Fire Protection Agency (NFPA)
D. Factory Mutual Research Corporation (FMRC)
✔✔Federal rules and regulations for the propane industry are published in which
document? - ✔✔A. Code of Federal Regulations (CFR)
B. General Provision Guidelines (GPG)
C. LP-Gas Handbook (LPH)
D. National Petroleum Rulebook (NPR)
ANSWERS GRADED A+
✔✔Gas warning agents (odorants) are added to propane to: - ✔✔A. Make the gas last
longer
B. Make the gas detectable if it leaks into the air
C. Add a pleasant smell to the burning fuel
D. Make the has more reactive and cimbustible
✔✔Propane odorants are: - ✔✔A. Pleasant-smelling and barely detectable
B. Bitter-smelling and corrosive
C. Distinctive smelling and nontoxic
D. Non-burning and colorful
✔✔An effective way to prevent odorant fade in new containers, or in those that have
been open to the atmosphere is to: - ✔✔A. Open valves on containers in storage
B. Purge containers and keep them pressurized until installed
C. Remove odorant from containers in use
D. Increase the water content in contrainers
✔✔A customer calls in to report a strong smell of gas at the site. A proper response for
the employee to give the customer would be to: - ✔✔A. Schedule an appointment for a
technician to come and check it out
B. Purchase a gas detector and monitor the readings
C> Ask the neighbors if they can also smell the gas
D. Evacuate the structure and keep a safe distance away
✔✔The three ingredients necessary for combustion are: - ✔✔A. Nitrogen, pressure, and
heat
B. Fuel, oxygen, and an ignition source
C. Gas, Liquid, and a solid
D. Vapor, flame, and air
✔✔Propane burns most efficiently at which gas-air mixture? - ✔✔A. 1 part propane to
24 parts air
B. 10 parts propane to 20 parts air
C. 25 parts propane to 15 parts air
D. 50 parts propane to 5 parts air
✔✔Incomplete combustion of propane results in: - ✔✔A. Excessive heat production
B. Conversion of propane to oxygen
C. Inefficient use of fuel and harmful byproducts
D. Inability of the propane to burn
, ✔✔Complete propane combustion result sin the production of water vapor and carbon
dioxide, while incomplete propane combustion produces: - ✔✔A. Carbon dioxide,
ethanol, and ash
B. Oxygen, nitrogen, and smoke
C. Carbon monoxide, aldehydes, and soot
D. Oxygen, propylene, and carbon
✔✔Carbon monoxide gas is: - ✔✔A. Pinkish, sweet-smelling, and thick
B. Bitter-tasting with an acrid smell
C. Foggy, damp, and funny-smelling
D. Odorless, colorless, and tasteless
✔✔Indications that carbon monoxide may be present in a customer's residence include
- ✔✔A. The customer complains of headache, nausea, and water condensation on the
windows
B. The customer's house is warm and very dry
C. The customer is pleased that houseplants are growing better than usual
D. The customer is anxious and nervous
✔✔Which of the following is a safe practice that employees must follow when working
with propane? - ✔✔A. Static electricity is annoying, but no riskto igniting propane gas
B. Smoking is not permitted near propane gas as it may ignite the gas
C. Smoking is a safe practice because propane must be an act mix to ignite
D. Safety risks are low because an open flame is the only way to ignite porpane
✔✔Which organization sets the standard for the manufacturing of propane tanks and
the pressure relief valves used in those tanks? - ✔✔A. The National Propane Gas
association (NPGA)
B. The American Society for Mechanical Engineers (ASME)
C. The Department of Transportation (DOT)
D. The National Fire Protection Association (NFPA)
✔✔Which organization develops standards for propane storage, handling, and
installation? - ✔✔A. Federal government
B. State Department of Transportation (DOT)
C. National Fire Protection Agency (NFPA)
D. Factory Mutual Research Corporation (FMRC)
✔✔Federal rules and regulations for the propane industry are published in which
document? - ✔✔A. Code of Federal Regulations (CFR)
B. General Provision Guidelines (GPG)
C. LP-Gas Handbook (LPH)
D. National Petroleum Rulebook (NPR)
