When a filter rack return grill is located in the living space, why is it a good idea to make the return duct as large as possible?
What will be an ideal response?
The larger the duct, the slower the air speed; therefore, the noise level will be lower.
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Label the following furnace
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The abbreviation BST stands for ____________________
Fill in the blank(s) with correct word
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What is the purpose of a checklist for a maintenance activity?
What will be an ideal response?
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The goal of Subpart B is to ensure that contractors provide workers with a safe and healthy work environment.