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Ontario Gas Technician 1 (G1) Certification Exam – Practice Questions and Answers Study Guide (Latest Update)

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This document contains a practice-based study guide for the Ontario Gas Technician 1 (G1) certification exam with updated exam-style questions and answers. It covers essential topics such as gas safety, appliance installation, system troubleshooting, combustion principles, and Ontario regulatory codes commonly tested in G1 certification assessments. The material is designed to support structured exam preparation and strengthen understanding of gas technician principles through practice questions and review explanations. It is useful for self-study, revision, and reinforcing technical knowledge required for certification success.

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Ontario Gas Technician 1
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Ontario Gas Technician 1

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ONTARIO GAS TECHNICIAN 1 (G1)
CERTIFICATION EXAM ACTUAL
EXAM COMPLETE QUESTIONS
WITH VERIFIED AND CORRECT
ANSWERS GRADED A+ LATEST
UPDATE 2026.PDF
What is the first action 'to be taken when performing an ignition spark response test? -
answer-Close test firing valve and pilot valve



A valve not considered 100% shutoff - answer-Butterfly valve



The "Bleed" valve on a double block&bleed system is required on an appliance firing
over? - answer-10000000



Where is the low pressure switch located on the valve train? - answer-After the main gas
regulator



Where is the high pressure switch to be located on the valve train? - answer-After the
second "blocking" valve



What provides the opening force on a diaphragm valve? - answer-Upstream gas
pressure



What provides the opening force on a regulator? - answer-Spring tension



A high gas pressure switch should be set to open at? - answer-25% above operating
pressure
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Written in
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a passionate student who's dedicated to helping my peers succeed academically. With a knack for acing exams and a desire to share my knowledge, I've embarked on a mission to make studying easier and more efficient for you. I offer customized Exams, stud

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