TSSA g3 prastic exam Questions with Correct Answers and Answers
with Verified Solutions | Latest 2026 Update
Q: 01. What is the highest proportion of injuries for a service person?
Answer:
A) Leg injury B) Head injury C) Back injury D) foot injury C) Back injury Back
injuries are common due to the heavy loads that service members carry, the physical
demands of training and combat, and the physical stress placed on the spine and
muscles. These injuries can range from strains and sprains to more severe conditions
like herniated discs. 104. At what percentage can we safely over fire an appliance?
A) 10% B) 5% C) 3% D) 0% D) 0% In most cases, it is not safe to overfire an
appliance at all. Overfiring an appliance-whether it's a furnace, stove, or any other
heating equipment-means exceeding the recommended operating limits, which can
lead to safety hazards, including overheating, damage to the appliance, and an
increased risk of fire. 21. When purging gas piping or tubing system to the out doors
what would be the Minimum distance required form a building or air intake? A) 3FT
B) 8FT C) 15FT D)10FT A) 3FT When purging a gas piping or tubing system to the
outdoors, the minimum distance required from a building or air intake is typically 3
feet (or 1 meter) according to many safety standards, including those outlined by the
National Fuel Gas Code (NFPA 54) and local building codes.
, Q: 83. What is the minimum clearance needed to service a gas appliance?
Answer:
A) 2 Feet B) 30" C) 1.5 Feet D) 36" B) 30 inches Explanation: Ontario standards
often recommend a minimum clearance of 30 inches for safe servicing of gas
appliances. 84. How many times can you reset a glass screw in type fuse? A) Once
B) Twice C) Three times D) Never A) Once Explanation: Safety regulations
generally allow glass screw-in fuses to be reset only once due to potential safety
concerns. 85. What would be the best tool to use to taper zinc coated seamless pipe?
A) Pipe cutter B) Hand ratchet die C) Taper pipe D) Pipe reamer B) Hand ratchet die
Explanation: A hand ratchet die is commonly used to taper or thread pipes for
fittings. 132. A vent passing though a roof line with a zero pitch should existent by?
A) 2ft
Q: B) 6ft C) 4ft D) 3ft D) 3 feet Explanation: Ontario code typically requires a vent
to extend at least 3 feet above a flat roof. 133. Can a compression fitting be used
on copper tubing?
Answer:
A) Yes B) No C) Yes only if tubing is 1/2 or less D) Yes only if a shut off valve is
install A) Yes Explanation: Compression fittings can be used on copper tubing if
installed according to safety standards. 134. The primary use of a gas meter is? A)
Clock input B) Leak test C) Consumption of gas D) Dial accuracy C) Consumption
of gas Explanation: Gas meters primarily measure the amount of gas consumption for
billing and monitoring usage 135. For a central furnace what would be the minimum
clearance from combustible on the sides? A) 12" B) 24" C) 6" D) 1" C) 6 inches
with Verified Solutions | Latest 2026 Update
Q: 01. What is the highest proportion of injuries for a service person?
Answer:
A) Leg injury B) Head injury C) Back injury D) foot injury C) Back injury Back
injuries are common due to the heavy loads that service members carry, the physical
demands of training and combat, and the physical stress placed on the spine and
muscles. These injuries can range from strains and sprains to more severe conditions
like herniated discs. 104. At what percentage can we safely over fire an appliance?
A) 10% B) 5% C) 3% D) 0% D) 0% In most cases, it is not safe to overfire an
appliance at all. Overfiring an appliance-whether it's a furnace, stove, or any other
heating equipment-means exceeding the recommended operating limits, which can
lead to safety hazards, including overheating, damage to the appliance, and an
increased risk of fire. 21. When purging gas piping or tubing system to the out doors
what would be the Minimum distance required form a building or air intake? A) 3FT
B) 8FT C) 15FT D)10FT A) 3FT When purging a gas piping or tubing system to the
outdoors, the minimum distance required from a building or air intake is typically 3
feet (or 1 meter) according to many safety standards, including those outlined by the
National Fuel Gas Code (NFPA 54) and local building codes.
, Q: 83. What is the minimum clearance needed to service a gas appliance?
Answer:
A) 2 Feet B) 30" C) 1.5 Feet D) 36" B) 30 inches Explanation: Ontario standards
often recommend a minimum clearance of 30 inches for safe servicing of gas
appliances. 84. How many times can you reset a glass screw in type fuse? A) Once
B) Twice C) Three times D) Never A) Once Explanation: Safety regulations
generally allow glass screw-in fuses to be reset only once due to potential safety
concerns. 85. What would be the best tool to use to taper zinc coated seamless pipe?
A) Pipe cutter B) Hand ratchet die C) Taper pipe D) Pipe reamer B) Hand ratchet die
Explanation: A hand ratchet die is commonly used to taper or thread pipes for
fittings. 132. A vent passing though a roof line with a zero pitch should existent by?
A) 2ft
Q: B) 6ft C) 4ft D) 3ft D) 3 feet Explanation: Ontario code typically requires a vent
to extend at least 3 feet above a flat roof. 133. Can a compression fitting be used
on copper tubing?
Answer:
A) Yes B) No C) Yes only if tubing is 1/2 or less D) Yes only if a shut off valve is
install A) Yes Explanation: Compression fittings can be used on copper tubing if
installed according to safety standards. 134. The primary use of a gas meter is? A)
Clock input B) Leak test C) Consumption of gas D) Dial accuracy C) Consumption
of gas Explanation: Gas meters primarily measure the amount of gas consumption for
billing and monitoring usage 135. For a central furnace what would be the minimum
clearance from combustible on the sides? A) 12" B) 24" C) 6" D) 1" C) 6 inches
