Children's Health | Rooftop and Other Packaged Equipment

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Question 1 of 8

1. Question
What type of AHU contains all of its components in a single unit and is placed outdoors?
- Packaged
- Modular
- DX Unit
- Rooftop
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Question 2 of 8

2. Question
Where are packaged units commonly found?
- Smaller or commercial buildings
- Ambulatory healthcare occupancies
- Serving one area of a hospital
- Warehouse
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Question 3 of 8

3. Question
Where are the fans found for a packaged unit?
- Inside the unit casing
- On roof near the unit
- Inside the nearest mechanical room
- In the rooms served by the unit
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Question 4 of 8

4. Question
What is a negative impact of using an oversized packaged unit?
- High space relative humidity
- High space temperature
- Low space relative humidity
- Low space temperature
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Question 5 of 8

5. Question
Which of the following statements best describes a packaged unit?
- Pre-manufactured and assembled exterior air handling unit equipped with fan, filter, DX coil, compressors, and condenser
- Pre-manufactured and assembled interior air handling unit equipped with fan, filter, and chilled water coil
- Pre-manufactured and assembled interior air handling unit equipped with fan, filter, DX coil, compressors, and condenser
- Pre-manufactured and assemble exterior air handling unit equipped with fan, filter, and chilled water coil
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Question 6 of 8

6. Question
Which of the following mechanical cooling systems consists of an indoor cooling unit with a fan and evaporator coil connected by refrigerant suction and liquid piping to an outdoor condensing unit?
- DX split system
- Packaged DX system
- Packaged chilled water system
- Modular chilled water system
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Question 7 of 8

7. Question
Which of the following phrases is frequently shortened to the acronym “DX”?
- Direct Expansion
- Dual Expansion
- Distributed Expansion
- Dynamic Expansion
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Question 8 of 8

8. Question
Which of the following phrases most accurately describes the primary purpose for boiling away liquid refrigerant at the end of a DX evaporator coil?
- Efficient equipment operation
- Proper refrigerant return
- Frost prevention on the coil
- Compressor sub-cooling
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Children’s Health | Rooftop and Other Packaged Equipment

Children’s Health | Rooftop and Other Packaged Equipment

Children’s Health | Rooftop and Other Packaged Equipment

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