TSSA Practice Questions
With 100% correct answers to help you hit A+.
What would be the max flame failure response time for a standing pilot - ✔✔✔1 min and 30 seconds
What does MSDS stand for? - ✔✔✔Material Safety Data Sheet
for basic self protection what do you need? - ✔✔✔A) safety glasses
B) safety shoes/boots
C) gloves
D) all of the above
A ladder must extend above the roof landing by? - ✔✔✔36"
What are the approximate limits of flammability for natural gas ? - ✔✔✔4%-15%
What is the ignition temp of natural gas? - ✔✔✔1300 F
What is the flame temp of natural gas? - ✔✔✔1000 F
What is the air to gas ratio for perfect combustion of propane gas - ✔✔✔23.5 to 1
What is the expansion rate of propane gas - ✔✔✔1:270
,What is the heating value of natural gas per cubic foot in Canada - ✔✔✔1000 BTU
Who is the most common testing agency that certifies venting? - ✔✔✔ULC
What is the relief valve pressure setting for a propane tank - ✔✔✔250 psig
Who issues gas technician certificates in Ontario - ✔✔✔Technical standards and safety authority
What is the flammability range of CO? - ✔✔✔12% to 74%
What are the products of complete combustion - ✔✔✔Carbon dioxide, water vapour, heat
What is needed to start combustion of a fuel - ✔✔✔Ignition, fuel, air
What is the air needed to operate a natural draft gas appliance safely? - ✔✔✔Combustion air, dilution
air
What is the boiling point of natural gas - ✔✔✔-260°F
What is the relative density of propane gas - ✔✔✔1.52
What is air comprised of? - ✔✔✔80% nitrogen and 20% oxygen
What are the products of incomplete combustion - ✔✔✔Soot, aldehydes, carbon monoxide, heat
, What type of air is premixed with gas prior to ignition - ✔✔✔Primary air
What type of air surrounds the flame for proper combustion - ✔✔✔Secondary air
Dilution air is - ✔✔✔Air to neutralize chimney draft
How many types of fire extinguishers exist - ✔✔✔4
What is the weight of one imperial gallon of propane - ✔✔✔
What is the relief valve pressure set on a propane cylinder - ✔✔✔250 psig
What is the approximate filling density of propane containers - ✔✔✔80%
At 120 volts and a editable of 25 ohms what would be the amperage - ✔✔✔4.8
A reading of OL on a digital multi meter would indicate what - ✔✔✔Open circuit
What is the chemical formula for natural gas - ✔✔✔CH4
When it has been determined that the voltage to a unit is approximately 115 volts which range should a
digital volt meter be set to read at - ✔✔✔0-250 volts
On a 120 volt receptacle, the neutral connection terminal is? - ✔✔✔Silver
With 100% correct answers to help you hit A+.
What would be the max flame failure response time for a standing pilot - ✔✔✔1 min and 30 seconds
What does MSDS stand for? - ✔✔✔Material Safety Data Sheet
for basic self protection what do you need? - ✔✔✔A) safety glasses
B) safety shoes/boots
C) gloves
D) all of the above
A ladder must extend above the roof landing by? - ✔✔✔36"
What are the approximate limits of flammability for natural gas ? - ✔✔✔4%-15%
What is the ignition temp of natural gas? - ✔✔✔1300 F
What is the flame temp of natural gas? - ✔✔✔1000 F
What is the air to gas ratio for perfect combustion of propane gas - ✔✔✔23.5 to 1
What is the expansion rate of propane gas - ✔✔✔1:270
,What is the heating value of natural gas per cubic foot in Canada - ✔✔✔1000 BTU
Who is the most common testing agency that certifies venting? - ✔✔✔ULC
What is the relief valve pressure setting for a propane tank - ✔✔✔250 psig
Who issues gas technician certificates in Ontario - ✔✔✔Technical standards and safety authority
What is the flammability range of CO? - ✔✔✔12% to 74%
What are the products of complete combustion - ✔✔✔Carbon dioxide, water vapour, heat
What is needed to start combustion of a fuel - ✔✔✔Ignition, fuel, air
What is the air needed to operate a natural draft gas appliance safely? - ✔✔✔Combustion air, dilution
air
What is the boiling point of natural gas - ✔✔✔-260°F
What is the relative density of propane gas - ✔✔✔1.52
What is air comprised of? - ✔✔✔80% nitrogen and 20% oxygen
What are the products of incomplete combustion - ✔✔✔Soot, aldehydes, carbon monoxide, heat
, What type of air is premixed with gas prior to ignition - ✔✔✔Primary air
What type of air surrounds the flame for proper combustion - ✔✔✔Secondary air
Dilution air is - ✔✔✔Air to neutralize chimney draft
How many types of fire extinguishers exist - ✔✔✔4
What is the weight of one imperial gallon of propane - ✔✔✔
What is the relief valve pressure set on a propane cylinder - ✔✔✔250 psig
What is the approximate filling density of propane containers - ✔✔✔80%
At 120 volts and a editable of 25 ohms what would be the amperage - ✔✔✔4.8
A reading of OL on a digital multi meter would indicate what - ✔✔✔Open circuit
What is the chemical formula for natural gas - ✔✔✔CH4
When it has been determined that the voltage to a unit is approximately 115 volts which range should a
digital volt meter be set to read at - ✔✔✔0-250 volts
On a 120 volt receptacle, the neutral connection terminal is? - ✔✔✔Silver
