TSSA Gas Technician 3 (G3) Practice Questions - TSSA Gas Technician 3 (G.3) Certificate of Qualification - Ontario Exam - TSSA Gas Technician 3 (G3) Practice Questions - TSSA Gas Technician 3 (G.3) Certificate of Qualification

Question 1

What is the primary purpose of WHMIS/GHS information on a gas technician worksite?

To communicate hazardous-product hazards through labels, SDS, and worker education To certify Gas Technician 3 holders for unsupervised work To set CSA B149.1 pipe-sizing tables To schedule biennial TSSA certificate renewals

Correct Answer:

To communicate hazardous-product hazards through labels, SDS, and worker education

Question 2

Which condition is required for a fuel-gas fire or explosion to occur?

Fuel gas alone under any concentration Fuel gas, an ignition source, and oxygen (air) in the combustible range Liquid water and natural gas mixed in any ratio Nitrogen blanketing of a closed room

Correct Answer:

Fuel gas, an ignition source, and oxygen (air) in the combustible range

Question 3

Before cutting or threading steel gas pipe with power tools, a technician should first:

Disable all building smoke detectors permanently Pressurize the pipe with fuel gas to check for leaks Verify PPE, secure the work piece, and confirm the tool is appropriate and in safe condition Remove all eye protection to improve visibility

Correct Answer:

Verify PPE, secure the work piece, and confirm the tool is appropriate and in safe condition

Question 4

If a strong fuel-gas odour is detected indoors, the safest immediate action is to:

Light a match to confirm the smell Operate electrical switches and appliances to check power Start a gasoline generator inside the room Avoid creating ignition sources, ventilate if safe, evacuate as needed, and shut off gas from a safe location / call emergency responders as appropriate

Correct Answer:

Avoid creating ignition sources, ventilate if safe, evacuate as needed, and shut off gas from a safe location / call emergency responders as appropriate

Question 5

Natural gas that escapes indoors tends to accumulate where first, and why?

Near the ceiling/high points, because natural gas is lighter than air (typical SG ≈ 0.6) Near the floor, because natural gas is heavier than air Only inside water pipes Only outdoors regardless of release location

Correct Answer:

Near the ceiling/high points, because natural gas is lighter than air (typical SG ≈ 0.6)

Exam overview

About this Exam

Prepare with the TSSA Gas Technician 3 (G3) Practice Questions - TSSA Gas Technician 3 (G.3) Certificate of Qualification - Ontario Exam practice quiz. This question bank includes 100 questions covering technician, propane, appliance, because, and typically. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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TSSA Gas Technician 3 (G3) Practice Questions - TSSA Gas Technician 3 (G.3) Certificate of Qualification - Ontario Exam

This practice set contains 100 questions from the matching question bank and focuses on technician, propane, appliance, because, and typically. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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About this Exam

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TSSA Gas Technician 3 (G3) Practice Questions - TSSA Gas Technician 3 (G.3) Certificate of Qualification - Ontario Exam

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