G3 TSSA Exam Questions with Correct Answers and Answers with
Verified Solutions | Latest 2026 Update
Q: Combustion air which is supplied upstream from the point of ignition is?
Answer:
Primary Air At what percentage can we safely over fire an appliance? 0 What is the
approximate make up of air 80% N2 to 20% O2 Nitrogen is known as? Inert gas The
act or code that applies to all workers in Ontario is called? Occupational health and
saferty What is the method of heat transfer on clothes dryer? Convection What is the
method of heat transfer on a hot plate conduction What is the method of heat transfer
on a standard gas fired oven convection A yellow flame on an atmospheric burner
could be the result of? Excess primary air Which certificate holder may inspect an
appliance with input of 399,000 btu G1 G2
, Q: Where would you find requirements for the holder of a G2, G3 certificate?
Answer:
OREG 215-01 What is the required minimum distance for plastic piping or tubing
installed under a Commercial parking lot? 24" How is a high limit tested on a forced
warm air furnace? Disconnecting the blower When an appliance is install on a roof
the clearance between the appliance and the Edge of the roof or other hazard shall
be? 6' What is 212 Fahrenheit in Celsius 100 What is 21 Celsius to Fahrenheit? 70
What is the maximum length permitted when using a corrugated flexible connector?
Connected to a suspended appliance? 24" When purging gas piping or tubing system
to the out doors what would be the Minimum distance required form a building or air
intake 10ft What would be the maximum flame failure response time for a standing
pilot? 1 min 30 seconds Fire extinguishers should be maintained every? 12 months
Q: If the heat anticipator of a thermostat is set to low what probable condition
would exist when the heating unit is operating?
Answer:
Short cycle main burner Spillage of flue gases at the appliance draft diverter would
indicate that? The venting system of the appliance is restricted or block Who is
responsible for the proper installation of the gas piping to the appliance? The installer
Mercaptan is usually added to natural gas were? Compressor station What would be
the square footage of 20' long x 15' wide x 8' high of a building envelope? 300 sq ft If
1/4 of an inch on a piping plan equal one foot what would be the total length of a 1
1/2 line? 6' Under OSHA what is the permissible exposure to CO level for 8 hours?
35 ppm If you read infinity on an analog meter what would this mean Broken line A
vent passing though a roof line with a zero pitch should existent by? 2ft Can a
compression fitting be used on copper tubing NO The primary use of a gas meter is?
Consumsion
Verified Solutions | Latest 2026 Update
Q: Combustion air which is supplied upstream from the point of ignition is?
Answer:
Primary Air At what percentage can we safely over fire an appliance? 0 What is the
approximate make up of air 80% N2 to 20% O2 Nitrogen is known as? Inert gas The
act or code that applies to all workers in Ontario is called? Occupational health and
saferty What is the method of heat transfer on clothes dryer? Convection What is the
method of heat transfer on a hot plate conduction What is the method of heat transfer
on a standard gas fired oven convection A yellow flame on an atmospheric burner
could be the result of? Excess primary air Which certificate holder may inspect an
appliance with input of 399,000 btu G1 G2
, Q: Where would you find requirements for the holder of a G2, G3 certificate?
Answer:
OREG 215-01 What is the required minimum distance for plastic piping or tubing
installed under a Commercial parking lot? 24" How is a high limit tested on a forced
warm air furnace? Disconnecting the blower When an appliance is install on a roof
the clearance between the appliance and the Edge of the roof or other hazard shall
be? 6' What is 212 Fahrenheit in Celsius 100 What is 21 Celsius to Fahrenheit? 70
What is the maximum length permitted when using a corrugated flexible connector?
Connected to a suspended appliance? 24" When purging gas piping or tubing system
to the out doors what would be the Minimum distance required form a building or air
intake 10ft What would be the maximum flame failure response time for a standing
pilot? 1 min 30 seconds Fire extinguishers should be maintained every? 12 months
Q: If the heat anticipator of a thermostat is set to low what probable condition
would exist when the heating unit is operating?
Answer:
Short cycle main burner Spillage of flue gases at the appliance draft diverter would
indicate that? The venting system of the appliance is restricted or block Who is
responsible for the proper installation of the gas piping to the appliance? The installer
Mercaptan is usually added to natural gas were? Compressor station What would be
the square footage of 20' long x 15' wide x 8' high of a building envelope? 300 sq ft If
1/4 of an inch on a piping plan equal one foot what would be the total length of a 1
1/2 line? 6' Under OSHA what is the permissible exposure to CO level for 8 hours?
35 ppm If you read infinity on an analog meter what would this mean Broken line A
vent passing though a roof line with a zero pitch should existent by? 2ft Can a
compression fitting be used on copper tubing NO The primary use of a gas meter is?
Consumsion
