G3 TSSA | gastechnician.ca | Questions with Correct Answers and
Answers with Verified Solutions | Latest 2026 Update
Q: Which Ontario regulation covers gaseous fuels?
Answer:
212/01 What are the three basic constitutions of an atom? Proton, Electron, Neutron
What is the gas pressure supplied to a natural gas appliance from the natural gas
regulator 7-14" WC When using a jumper wire to by-pass the thermostat at the gas
valve, why should You always disconnect at least one lead of thermostat It may burn
out the heat anticipator in the thermostat Which testing organizations are designated
in Ontario to approve gas appliances? Having btu input up to and over 400 cfh CGA,
CSA, ULC A pilot that operates only during the ignition cycle of the main burner but
is shut off at other times, is called? Intermittent Pilot What action should be taken if a
cracked heat exchanger is found? Shut off gas and notify the gas supplier The high
limit switch circuitry of a residential appliance is wired in series with the? Gas valve
, Q: On a gas meter if the 1/4 dial has moved on a pressure test this would indicate
The piping isn't tight All liquid withdrawal propane cylinder service valves must
be equipped with Internal excess flow valve Gaskets used in gas systems should
be?
Answer:
Neoprene How tight should a thermocouple connection be? 1/4 turn past finger tight
On a 120 volt circuit the voltage to ground from an unbroken neutral wire Should be
0 On a 120 volt circuit the voltage check on an open switch would be 120V What is
the highest proportion of injuries for a service person back What is a combination
wrench Box and open end Combustion air which is supplied upstream from the point
of ignition is? 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
Q: The act or code that applies to all workers in Ontario is called?
Answer:
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 Where would you
find requirements for the holder of a G2, G3 certificate? 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
Answers with Verified Solutions | Latest 2026 Update
Q: Which Ontario regulation covers gaseous fuels?
Answer:
212/01 What are the three basic constitutions of an atom? Proton, Electron, Neutron
What is the gas pressure supplied to a natural gas appliance from the natural gas
regulator 7-14" WC When using a jumper wire to by-pass the thermostat at the gas
valve, why should You always disconnect at least one lead of thermostat It may burn
out the heat anticipator in the thermostat Which testing organizations are designated
in Ontario to approve gas appliances? Having btu input up to and over 400 cfh CGA,
CSA, ULC A pilot that operates only during the ignition cycle of the main burner but
is shut off at other times, is called? Intermittent Pilot What action should be taken if a
cracked heat exchanger is found? Shut off gas and notify the gas supplier The high
limit switch circuitry of a residential appliance is wired in series with the? Gas valve
, Q: On a gas meter if the 1/4 dial has moved on a pressure test this would indicate
The piping isn't tight All liquid withdrawal propane cylinder service valves must
be equipped with Internal excess flow valve Gaskets used in gas systems should
be?
Answer:
Neoprene How tight should a thermocouple connection be? 1/4 turn past finger tight
On a 120 volt circuit the voltage to ground from an unbroken neutral wire Should be
0 On a 120 volt circuit the voltage check on an open switch would be 120V What is
the highest proportion of injuries for a service person back What is a combination
wrench Box and open end Combustion air which is supplied upstream from the point
of ignition is? 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
Q: The act or code that applies to all workers in Ontario is called?
Answer:
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 Where would you
find requirements for the holder of a G2, G3 certificate? 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
