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TSSA G3 Exam Questions and answers with 100% Complete Solutions | verified &updated 2024
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TSSA G3 Exam Questions and answers with 100% Complete Solutions | verified &updated 2024
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TSSA G3 Exam Questions and answerswith 100% Complete Solutions |
verified &updated 2024
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: -
✔✔0.5
Propane is a: - ✔✔hydrocarbon
As the temperature of liquid propane in a tank increases, the vapour pressure of
the propane: - ✔✔increases
One boiler horsepower is approximately: - ✔✔34.000 Btuh (10 kW)
,The "specific gravity of a gas (vapour)" is: - ✔✔the weight of the gas as
compared to the weight of an equal volume of air
Name the three elements required for combustion of any fuel? -
✔✔Oxygen, Heat, and Fuel.
What would be the easiest to control or eliminate in a
leak situation (before a fire occurs) - ✔✔Shutting off the fuel
The products of perfect combustion of natural gas or propane with oxygen are: -
✔✔water vapour, carbon dioxide, heat, and light
What air to gas ratio is required for the complete combustion of natural gas? -
✔✔10 parts of air to 1 part of gas
, What air to gas ratio is required for the complete combustion of propane? -
✔✔24 parts of air to 1 part of gas
Air that is mixed with fuel prior to ignition is called: - ✔✔primary air
Air that is mixed with fuel at the point of combustion and around the flame is
called: - ✔✔secondary air
What is excess air? - ✔✔Air in the combustion zone in addition to that which
is required for combustion.
A long, yellow flame (or luminous/ carbonizing flame) on an atmospheric burner is
caused by: - ✔✔not premixing air and fuel prior to combustion
The flue gases from the complete combustion of natural gas in air are primarily: -
✔✔Carbon dioxide, water vapour, nitrogen, excess air, heat and light
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