| 1. |
According to the above picture, what is the name of this supply duct system? (Refer to Page-3) |
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Perimeter Loop System |
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Trunk and Branch System |
| 2. |
Properly designed and installed duct systems can have efficiencies of 80% or more for little or no additional cost, potentially saving a homeowner __________or more per year in heating and cooling costs. |
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$50 to 200 |
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$30 to 70 |
| 3. |
A perimeter loop system-uses a perimeter duct fed from a central supply plenum using several feeder ducts. This system is typically limited to houses built on slab in cold climates and is more difficult to design and install. |
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True |
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False |
| 4. |
Air distribution ducts are commonly constructed from sheet metal, rigid fiberglass duct board, or flexible nonmetallic duct. Selection of duct material is based on __________________. |
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price, performance, and installation requirements |
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aesthetics beauty and appearance |
| 5. |
To prevent supply air from being swept directly up by kitchen, bathroom, or other exhaust fans, the distance between supply registers and exhaust vents should be kept as small as possible. |
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True |
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False |
| 6. |
Air distribution system should be designed obeying which manual? |
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Air Conditioning Contractors of America’s (ACCA’s) Manual D: Residential Duct Systems |
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North America Air Conditioning Society (NAACS) Manual D: Residential Duct Systems |
| 7. |
According to the Air Conditioning Contractors of America’s (ACCA’s) Manual D: Residential Duct Systems, how many steps are required to follow in the design of an air distribution system to ensure efficiency and comfort. |
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12 steps |
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8 steps |
| 8. |
When is it more efficient to use two or more separate heating and cooling systems, each with its own duct system? |
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Two-story home |
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Single-story home |
| 9. |
Flex duct is easily torn, crushed, pinched, or damaged during installation. It has the highest resistance to air flow. |
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True |
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False |
| 10. |
According to the above picture, name the specific technique? (Refer to page-4) -Return Air Techniques -Reoccurrence Air Techniques |
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The ‘product’ was in a ‘defective condition [resulting in a product that is] unreasonably dangerous’. Defects can be created by manufacture, assembly, design, warning labels, marketing, etc. |
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The defendant was in the ‘stream of commerce’ that produces the product and/or delivers the product to the customer (manufacturer, subcontractor, wholesaler, distributor, retailer, etc.). |
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