TSSA G3 Exam 1 Questions and Correct
Answers
Natural gas and propane are:
members of the hydrocarbon family
Natural gas and propane are composed mainly of:
carbon and hydrogen
What is the odorant added to natural gas and propane?
mercaptan
85% to 95% of natural gas is composed of:
methane
Chemical formula for Methane:
CH4
Chemical formula for Propane:
C3H8
Chemical formula for Oxygen:
O2
Chemical formula for Nitrogen:
N2
Chemical formula for Water:
H2O
,Chemical formula for Carbon Dioxide:
CO2
Chemical formula for Carbon Monoxide:
CO
The approximately percentage of oxygen and nitrogen in air is:
21% Oxygen and 79% Nitrogen
The properties concerning natural gas and propane is on what page of the codebook?
351
(T/F) Propane liquid escaping from a container rapidly drops in temperature
True
What is L.E.L.?
The lowest percent of gas in the air-gas mixture that will support combustion
Odorant is added to natural gas at the:
City gate station
The maximum flame temperature from the combustion of natural gas with air is:
3500 F
The two main hydrocarbons which form natural gas are:
methane and ethane
The boiling point of propane is:
-44 F
, The boiling point of natural gas is:
-260 F
What is the ignition temperature of propane gas compared to natural gas?
Lower for propane
What is the ignition temperature of propane gas?
920 to 1020 F
Is natural gas heavier or lighter than air?
lighter
Is propane heavier or lighter than air?
heavier
One imperial gallon of propane weighs:
5.1 pounds (2.3 kilograms)
At 60°F (15,5° C) a pound of propane produces how many cubic feet of gas?
8.50
Propane shall have a distinctive odour content to ensure it is readily detectable in the
atmosphere down to concentrations of:
20% of the lower explosive limit.
When one pound of propane burns, it releases approximately:
21,600 Btu
The relative density of liquid propane as compared to water is approximately:
Answers
Natural gas and propane are:
members of the hydrocarbon family
Natural gas and propane are composed mainly of:
carbon and hydrogen
What is the odorant added to natural gas and propane?
mercaptan
85% to 95% of natural gas is composed of:
methane
Chemical formula for Methane:
CH4
Chemical formula for Propane:
C3H8
Chemical formula for Oxygen:
O2
Chemical formula for Nitrogen:
N2
Chemical formula for Water:
H2O
,Chemical formula for Carbon Dioxide:
CO2
Chemical formula for Carbon Monoxide:
CO
The approximately percentage of oxygen and nitrogen in air is:
21% Oxygen and 79% Nitrogen
The properties concerning natural gas and propane is on what page of the codebook?
351
(T/F) Propane liquid escaping from a container rapidly drops in temperature
True
What is L.E.L.?
The lowest percent of gas in the air-gas mixture that will support combustion
Odorant is added to natural gas at the:
City gate station
The maximum flame temperature from the combustion of natural gas with air is:
3500 F
The two main hydrocarbons which form natural gas are:
methane and ethane
The boiling point of propane is:
-44 F
, The boiling point of natural gas is:
-260 F
What is the ignition temperature of propane gas compared to natural gas?
Lower for propane
What is the ignition temperature of propane gas?
920 to 1020 F
Is natural gas heavier or lighter than air?
lighter
Is propane heavier or lighter than air?
heavier
One imperial gallon of propane weighs:
5.1 pounds (2.3 kilograms)
At 60°F (15,5° C) a pound of propane produces how many cubic feet of gas?
8.50
Propane shall have a distinctive odour content to ensure it is readily detectable in the
atmosphere down to concentrations of:
20% of the lower explosive limit.
When one pound of propane burns, it releases approximately:
21,600 Btu
The relative density of liquid propane as compared to water is approximately:
