Question 1
Which code is the primary installation standard a Class B gasfitter applies when installing natural gas and propane appliances and piping in Canada?
Correct Answer:
CSA B149.1 Natural Gas and Propane Installation Code
Question 2
A Class B gasfitter is authorized to install and service gas appliances up to what maximum input rating?
Correct Answer:
400,000 BTU/hr (120 kW)
Question 3
Which code governs the storage and handling of propane, separate from the installation code?
Correct Answer:
CSA B149.2
Question 4
Before working on a gas appliance, a gasfitter must verify that the equipment carries which of the following to confirm it is approved for use in Canada?
Correct Answer:
A certification/approval agency mark (e.g., CSA, cUL, or provincial approval)
Question 5
What is the characteristic odorant added to natural gas and propane to aid in leak detection?
Correct Answer:
Mercaptan (ethyl mercaptan)
Question 1
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About this Exam

Prepare with the Red Seal Gasfitter Class B Practice Questions - Red Seal Gasfitter - Class B Exam practice quiz. This question bank includes 100 questions covering appliance, furnace, vent, natural, and propane. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Red Seal Gasfitter Class B Practice Questions - Red Seal Gasfitter - Class B Exam

This practice set contains 100 questions from the matching question bank and focuses on appliance, furnace, vent, natural, and propane. 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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