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Exam (elaborations)

G2 Gas Technician Module 21 Revised Exam 2026 Questions and Answers

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G2 Gas Technician Module 21 Revised Exam 2026 Questions and Answers

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G2 Gas Technician
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G2 Gas Technician








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Institution
G2 Gas Technician
Course
G2 Gas Technician

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Uploaded on
August 28, 2025
Number of pages
4
Written in
2025/2026
Type
Exam (elaborations)
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Questions & answers

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G2 Gas Technician Module 21 Revised
Exam 2026 Questions and Answers

What type of vent is used on a wall furnace? - Correct Answer -BW Venting

What temperature does a low-intensity infrared heater fire at? where are they used?

- Correct Answer -1200 F and are used in factories and commercial buildings

How does a low intensity infrared heater work? - Correct Answer -Gas burner fires

into mouth of tube and hot flue gases travel through tube. It emits infrared heat

which is directed by reflector suspended above the tube.

What are high intensity infrared heaters made of? - Correct Answer -Porous

ceramic, drilled port cermaics, stainless steel or a metallic screen.

What temp does a high intensity infrared heater operate at? - Correct Answer -1800

F

What is the max length of a metal connector supplying gas to a suspended infrared

heater? - Correct Answer -2 ft




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