Term
| What consists of the mechanical system? |
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Definition
Heating and cooling plumbing fire protection |
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Term
| What are the parts of the Elactrical system? |
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Definition
Power lighting telphone other communication systems |
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Term
| What are the two methods of heating and cooling a space |
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Definition
- air
- water
In some places electricity my be used to heat a space |
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Term
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Definition
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Term
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Definition
| it adjusts the quantity or temprerature of air going into a space from the main air supply lines reduces the velocity of air and attenuates nois |
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Term
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Definition
| two runs of studs seperated by several inches the exact dimension being determined by the length of the pipe or duct that has to be cancealed |
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Term
| Building codes prohibits what in a plenum return |
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Definition
| combustustible materials such as wood or exposed wire within the space |
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Term
| Building code requires the access be provided to certain components of mechannical and electrical systems such as |
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Definition
- valves
- fire dampers
- heating coils
- mechanical equipment
- electrical hunction boxes
- communication junction boxes
- similar devices
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Term
| Interior designers should coordinate the locations of supply air ducts and returns air grills with other ceiling items such as |
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Definition
Lights sprinkler heads smoke detectors speakers |
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Term
| In commercial construction there should be at least _____" between the glass and any windows coverings to avoid excessive heat buidup, with might cause the glass to break. |
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Definition
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Term
| ________" to the heating/cooling supply and the top of the window frame. |
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Definition
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Term
| what is nonmetallic sheathed cable |
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Definition
| Known as Romes cosists of two or more plastic insulated conductors and ground wire surronded by a moistureresistant plastic jacket |
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Term
| wjat is undercarpet wiring |
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Definition
| a flat portected wire that can be laid under carpet without protruding |
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Term
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Definition
| steel or plastic boxes to which the conduit or other cable system is attached |
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Term
| outlets must be ______ feet apart in residential construction |
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Definition
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Term
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Definition
| special power outlets on their own circuit |
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Term
| what are some applicences that require voltage greater that 120? |
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Definition
electric range, coth dryers, large copy machines other special equipment |
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Term
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Definition
| prevents a dangerous shock if someonetouches an appliance with a short circuit |
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Term
| what is ground fault interrupters (GFI) |
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Definition
| are devices that detect small current leaks and disconnect the power to the circuit or appliance |
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Term
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Definition
outdoor outlets, in bathrooms, basments, kitchens |
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Term
| Plunbing systems consist of what 2 components |
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Definition
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Term
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Definition
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Term
what is a trap and were is it located |
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Definition
| traps are located in every fixture and are designed to catch and hold a quantity of water to provide a seal that prevents gases from the sewer from entering the building |
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Term
| wher are traps not needed |
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Definition
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Term
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Definition
| are pipes connected to the drainagesystem at various locations, open to the outside air, and designed to serve two purposes |
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Term
| what are the two purposes a vent is for |
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Definition
- allowing built-up sewage gases to escape insted of bubble throught the water in the traps
- they allow pressure in the system so equalize so discharging wast does not create a siphon that would frain the water out of the trap
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Term
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Definition
the trap sewwage traves in fixture branch lines to a vertical stack that stack that carries human waste |
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Term
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Definition
| the stack that carries other than human waste |
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Definition
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