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G2 Gas Technician Module 23 Revised

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G2 Gas Technician Module 23 Revised

Why are air cleaners installed ahead of heating or cooling coils and air conditioners? -
ANS-To protect the equipment from dust and increase efficiency

What are two ways in which a mechanical filter could restrict air flow? - ANS-Dirty Air
Filter and Incorrect Air Filter

Name three types of air cleaners that can be used with a forced-air furnace? -
ANS-Media, electrostatic, and electronic

Which type of air cleaner is usually the least expensive? - ANS-Media/Mechanical

Which type of air cleaner is usually the most expensive? - ANS-Electronic (EAC)

Name two advantages of an electronic air cleaner? - ANS-Highly Efficiency and Collects
Particles

Do electronic air cleaners remove smoke odours from the conditioned air? - ANS-No

How can smoke odours be reduced? - ANS-Activated Carbon Filter/ Coal Filter

What must the gas technician do before installing any air cleaner? - ANS-Comply with
Manufacturers Instructions

If there are arrows on a filter frame, which way must they face? - ANS-Same way as the
systems air flow

Why must be done before opening the blower door on a forced-air furnace? -
ANS-Disconnect Power

How frequently should furnace filter be inspected in the heating season? - ANS-Every
Month

How frequently should filters be replaced? - ANS-Whenever they need to be.

Why can disposable filters not be re-used? - ANS-Removal of mineral oils will cause the
filter to not operate

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Uploaded on: July 4, 2024
Number of pages: 4
Written in: 2023/2024
Type: Exam (elaborations)
Contains: Questions & answers

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