| 1. | 
According to the above picture, what is the name of this supply duct system? (Refer to Page-3) |
| | Perimeter Loop System |
| | 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. |
| | $50 to 200 |
| | $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. |
| | True |
| | 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 __________________. |
| | price, performance, and installation requirements |
| | 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. |
| | True |
| | False |
| 6. | Air distribution system should be designed obeying which manual? |
| | Air Conditioning Contractors of America’s (ACCA’s) Manual D: Residential Duct Systems | | | 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. |
| | 12 steps |
| | 8 steps |
| 8. | When is it more efficient to use two or more separate heating and cooling systems, each with its own duct system? |
| | Two-story home |
| | Single-story home |
| 9. | Flex duct is easily torn, crushed, pinched, or damaged during installation. It has the highest resistance to air flow. |
| | True |
| | False |
| 10. | 
According to the above picture, name the specific technique? (Refer to page-4) -Return Air Techniques -Reoccurrence Air Techniques |
| | 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. |
| | 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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