Which type of duct system is used primarily when the duct system and the air handler are not located on the same level?

A. plenum-type duct system
B. extended-plenum duct system
C. reducing-extended-plenum duct system
D. perimeter duct system


Answer: B

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a. plate girder bridge b. truss bridge c. arch bridge d. suspension bridge

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What will be an ideal response?

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