Unit 38 Installation HVAC FINAL EXAM 2024.
Unit 38 Installation HVAC FINAL EXAM 2024. One drawback of using custom made, pre-measured duct sections is that ____. - CORRECT ANSWER a. if the measuring was not done correctly, the job may not go together b. the sharp edges provide possible safety issues c. altering a duct section at the job site is extremely cost-ineffective d. all of the above Answer : D The reason many installations utilize a straight main trunk line with flexible duct runs to the individual register boots is to ____. - CORRECT ANSWER a. eliminate the expense of custom-made duct sections b. reduce excessive noise c. speed up the installation process d. all of the above Answer : D What two fasteners are used with sheet metal square and rectangular duct? - CORRECT ANSWER a. "S" fasteners (clips) and drive clips (cleats) b. staples and tape c. self-tapping screws and draw bands d. tabs and adhesives Answer :
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unit 38 installation hvac final exam 2024
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one drawback of using custom made pre measured du
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the reason many installations utilize a straight m
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what fastener is commonly used with round flexible
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