TSSA Fuel Safety Certification Practice EXAM QUESTIONS AND
CORRECT VERIFIED SOLUTIONS LATEST UPDATE THIS YEAR –
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TSSA Fuel Safety Certification Exams - 200 MCQ Questions and Answers
QUESTION 1
A technician is inspecting a newly installed gas-fired appliance in a commercial building and
notices that the manual shut-off valve has been installed in a location that is difficult to access
without using a ladder. According to the TSSA Gas Code requirements, how must a manual shut-
off valve be installed to comply with safety regulations?
A) In any accessible location within the building as long as it is clearly marked
B) In a readily accessible location that can be reached without obstructions
C) Only in the same room as the appliance it serves
D) Within 10 feet of the appliance it controls
Answer: B
Rationale: A manual shut-off valve must be installed so that it is readily accessible, allowing for
quick and safe operation in an emergency or for servicing purposes .
QUESTION 2
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A homeowner has installed a propane barbecue with a flexible hose connection and wants to
ensure it meets code requirements. What is the maximum allowable length for a hose used to
connect a propane supply to a permanently installed barbecue according to TSSA regulations?
A) 6 feet
B) 8 feet
C) 10 feet
D) 15 feet
Answer: C
Rationale: A hose used to connect the propane supply to a permanently installed barbecue
shall not exceed 10 feet in length .
QUESTION 3
During a routine inspection, a gas technician notices a damaged heat exchanger in a residential
forced-air furnace. According to the Gas Code, what is the proper course of action regarding
repair or replacement of this component?
A) The heat exchanger may be repaired if the welder is certified by TSSA
B) The heat exchanger must be completely replaced with a new unit
C) The damaged section may be patched with approved materials
D) Only the affected section needs to be replaced
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Answer: B
Rationale: A damaged heat exchanger in a residential building requires complete replacement
of the heat exchanger, as the Gas Code does not permit repair of this safety-critical component .
QUESTION 4
A gas technician is preparing to purge air from a gas piping system that has a diameter of NPS 2
inches and a length of 75 feet. According to TSSA requirements, which procedure must be
followed for safe purging?
A) Air may be purged directly into the combustion chamber
B) The system may be purged without any special precautions due to its small size
C) An inert gas must be used to purge the air from the pipe
D) Natural gas may be used to purge the air if the flow is slow
Answer: C
Rationale: An inert gas must be used to purge the air from a pipe of less than or equal to NPS
2.5 inches and over 50 feet in length .
QUESTION 5
A TSSA Fuels Safety Inspector arrives at a commercial building to conduct an inspection. Under
the Technical Standards and Safety Act, what authority does the inspector have regarding entry
and inspection of the premises?
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A) The inspector must provide 24 hours advance notice before entry
B) The inspector may enter without advance notice to determine compliance
C) The inspector can only enter during regular business hours
D) The inspector must obtain a warrant before entering any commercial building
Answer: B
Rationale: A Fuels Safety Inspector designated by TSSA is authorized to enter a commercial or
industrial building without advance notice to determine if the fuel installations and people
working on those installations are in compliance with the laws governing the fuel industry .
QUESTION 6
An atmospheric burner is producing a long, yellow, luminous flame that resembles a carbonizing
flame. What is the most likely cause of this flame condition?
A) Excessive primary air
B) Insufficient secondary air
C) Not premixing air and fuel prior to combustion
D) Too much gas pressure
Answer: C
Rationale: A long, yellow flame (or luminous/carbonizing flame) on an atmospheric burner
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