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TSSA G3 Exam Q-Bank (Gas Technician 3 Study Guide): 2026 / 2027 Review | 304 Comprehensive Test Questions and Verified Answers | 100% Correct | Grade A (Newest Update)

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TSSA G3 Exam Q-Bank (Gas Technician 3 Study Guide): 2026 / 2027 Review | 304 Comprehensive Test Questions and Verified Answers | 100% Correct | Grade A (Newest Update) Quiz_________________? Natural gas and propane are: - Answer☑️ members of the hydrocarbon family Quiz_________________? Natural gas and propane are composed mainly of: - Answer☑️ carbon and hydrogen Quiz_________________? What is the odorant added to natural gas and propane? - Answer☑️ mercaptan Quiz_________________? 85% to 95% of natural gas is composed of: - Answer☑️ methane Quiz_________________? Chemical formula for Methane: - Answer☑️ CH4 Quiz_________________? Chemical formula for Propane: - Answer☑️ C3H8 Quiz_________________? Chemical formula for Oxygen: - Answer☑️ O2 Quiz_________________? Chemical formula for Nitrogen: - Answer☑️ N2 Quiz_________________? Chemical formula for Water: - Answer☑️ H2O Quiz_________________? Chemical formula for Carbon Dioxide: - Answer☑️ CO2 Quiz_________________? Chemical formula for Carbon Monoxide: - Answer☑️ CO Quiz_________________? The approximately percentage of oxygen and nitrogen in air is: - Answer☑️ 21% Oxygen and 79% Nitrogen Quiz_________________? The properties concerning natural gas and propane is on what page of the codebook? - Answer☑️ 351 Quiz_________________? (T/F) Propane liquid escaping from a container rapidly drops in temperature - Answer☑️ True Quiz_________________? What is L.E.L.? - Answer☑️ The lowest percent of gas in the air-gas mixture that will support combustion Quiz_________________? Odorant is added to natural gas at the: - Answer☑️ City gate station Quiz_________________? The maximum flame temperature from the combustion of natural gas with air is: - Answer☑️ 3500 F Quiz_________________? The two main hydrocarbons which form natural gas are: - Answer☑️ methane and ethane Quiz_________________? The boiling point of propane is: - Answer☑️ -44 F Quiz_________________? The boiling point of natural gas is: - Answer☑️ -260 F Quiz_________________? What is the ignition temperature of propane gas compared to natural gas? - Answer☑️ Lower for propane Quiz_________________? What is the ignition temperature of propane gas? - Answer☑️ 920 to 1020 F Quiz_________________? Is natural gas heavier or lighter than air? - Answer☑️ lighter Quiz_________________? Is propane heavier or lighter than air? - Answer☑️ heavier Quiz_________________? One imperial gallon of propane weighs: - Answer☑️ 5.1 pounds (2.3 kilograms) Quiz_________________? At 60°F (15,5° C) a pound of propane produces how many cubic feet of gas? - Answer☑️ 8.50 Quiz_________________? Propane shall have a distinctive odour content to ensure it is readily detectable in the atmosphere down to concentrations of: - Answer☑️ 20% of the lower explosive limit. Quiz_________________? When one pound of propane burns, it releases approximately: - Answer☑️ 21,600 Btu Quiz_________________? The relative density of liquid propane as compared to water is approximately: - Answer☑️ 0.5

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TSSA G3

Course

TSSA G3

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TSSA G3 Exam Q-Bank (Gas
Technician 3 Study Guide): 2026 /
2027 Review | 304 Comprehensive
Test Questions and Verified
Answers | 100% Correct | Grade A
(Newest Update)
Quiz_________________?
Natural gas and propane are: -
Answer☑️
members of the hydrocarbon family

Quiz_________________?
Natural gas and propane are composed mainly of: -
Answer☑️
carbon and hydrogen

Quiz_________________?
What is the odorant added to natural gas and propane? -
Answer☑️
mercaptan

Quiz_________________?
85% to 95% of natural gas is composed of: -
Answer☑️
methane

Quiz_________________?
Chemical formula for Methane: -
Answer☑️
CH4

1

, Quiz_________________?
Chemical formula for Propane: -
Answer☑️
C3H8

Quiz_________________?
Chemical formula for Oxygen: -
Answer☑️
O2

Quiz_________________?
Chemical formula for Nitrogen: -
Answer☑️
N2

Quiz_________________?
Chemical formula for Water: -
Answer☑️
H2O

Quiz_________________?
Chemical formula for Carbon Dioxide: -
Answer☑️
CO2

Quiz_________________?
Chemical formula for Carbon Monoxide: -
Answer☑️
CO

Quiz_________________?
The approximately percentage of oxygen and nitrogen in air is: -
Answer☑️
21% Oxygen and 79% Nitrogen

Quiz_________________?
The properties concerning natural gas and propane is on what page of the codebook? -
Answer☑️
351

Quiz_________________?
(T/F) Propane liquid escaping from a container rapidly drops in temperature -
Answer☑️
True

2

, Quiz_________________?
What is L.E.L.? -
Answer☑️
The lowest percent of gas in the air-gas mixture that will support combustion

Quiz_________________?
Odorant is added to natural gas at the: -
Answer☑️
City gate station

Quiz_________________?
The maximum flame temperature from the combustion of natural gas with air is: -
Answer☑️
3500 F

Quiz_________________?
The two main hydrocarbons which form natural gas are: -
Answer☑️
methane and ethane

Quiz_________________?
The boiling point of propane is: -
Answer☑️
-44 F

Quiz_________________?
The boiling point of natural gas is: -
Answer☑️
-260 F

Quiz_________________?
What is the ignition temperature of propane gas compared to natural gas? -
Answer☑️
Lower for propane

Quiz_________________?
What is the ignition temperature of propane gas? -
Answer☑️
920 to 1020 F

Quiz_________________?
Is natural gas heavier or lighter than air? -
Answer☑️
lighter

3

, Quiz_________________?
Is propane heavier or lighter than air? -
Answer☑️
heavier

Quiz_________________?
One imperial gallon of propane weighs: -
Answer☑️
5.1 pounds (2.3 kilograms)

Quiz_________________?
At 60°F (15,5° C) a pound of propane produces how many cubic feet of gas? -
Answer☑️
8.50

Quiz_________________?
Propane shall have a distinctive odour content to ensure it is readily detectable in the
atmosphere down to concentrations of: -
Answer☑️
20% of the lower explosive limit.

Quiz_________________?
When one pound of propane burns, it releases approximately: -
Answer☑️
21,600 Btu

Quiz_________________?
The relative density of liquid propane as compared to water is approximately: -
Answer☑️
0.5

Quiz_________________?
Propane is a: -
Answer☑️
hydrocarbon

Quiz_________________?
As the temperature of liquid propane in a tank increases, the vapour pressure of the
propane: -
Answer☑️
increases

Quiz_________________?
One boiler horsepower is approximately: -

4

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