Integration with Building Systems and Construction 25% (RCP/Elect/Acoustical)) Flashcards

1
Q

Acoustical Systems

NRC

A

Noise Reduction Cofficient

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2
Q

Acoustical Systems

Materials with a NCR rating of 0.75 or higher considered what?

A

Highly absorptive

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3
Q

Acoustical Systems

Typical ACT ceiling tiles have a NCR rating of what?

A

0.55-0.65

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4
Q

Acoustical Systems

STC

A

Sound Transmission Class

Measures how well a product keeps sound form escaping a room

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5
Q

Acoustical Systems

CAC

A

Class Attenuation Class

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6
Q

Acoustical Systems

The highter the STC means what?

A

The better

Between 55 -65

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7
Q

Acoustical Systems

IIC

A

Impact Insulatin Class

Building transmisson (tapping on floor)

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8
Q

Acoustical Systems

What can you do to control sound trasmission through partitons?

A
  • Add a second layer of gyp board
  • Add insulation to wall cavity
  • Add a channel, with furry strip to create a void between wallboard and stud
  • Seall all penetrations
  • Add strippting to doors and install solid core
  • Take partitions to deck (underside of floor above)
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9
Q

Electrical

GFCI

A

Ground fault circuit interrupter

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10
Q

Electrical

AFCI

A

Arch fault circuit interrupter

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11
Q

Electrical

If electrical boxes are installed on both sides of the same wall, how far apart must they be from each other?

A

24”

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12
Q

Electrical

Are there requiremtns on outlet placement or distance in a commerical buidling?

A

NO

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13
Q

Electrical

In residental all rooms require a convenience outlet if a wall is how long?

A

2 feet or more

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14
Q

Electrical

How many outlets are required in a hallway that is longer than 10’?

A

1 outlet

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15
Q

Electrical

What height are convinence outlets places at?

A

15” AFF

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16
Q

Electrical

Outlets and controls that are handicap accessible need to placed at what height?

A

18” - 48”

17
Q

Electrical

Receptacles at counters and baths are placed how high?

A

42” - 48”

18
Q

Electrical

Only exception for outlet placement in a commerical building is what room?

A

Meeting rooms

19
Q

Electrical

What is a power pole?

A

A fairly inexpensive way to bring power from the ceiling to workstations

Best for open office applications

20
Q

Electrical

Where are GFCI required?

A
  • Every damp location
  • Garages
  • Outdoor
  • Kitchen cunters
  • Crawl spaces
  • Laundry/Utility rooms
  • Wet Bar
20
Q

Electrical

What are raceways?

A

Acceptable way to bring power from the wall to a table in the middle of the room

Suitable for training areas and conference rooms

21
Q

Electrical

How far from the bathroom sink is a GFCI required?

A

3’

Min of 1 per bathroom

22
Q

Electrical

Kitchens must have no fewer than how many outlets?

A

2

23
Q

Electrical

In a kitchen, how far apart are outlets placed from each other?

A

12”

24
Q

Electrical

What is the standard height of an outlet in a kitchen that does not have to be GFCI?

A

15” AFF

Refrigerators, Stoves/Ranges

25
Q

Electrical

How far does a GFCI outlet need to be from a sink?

A

6’

26
Q

Electrical

Example fo kitchen outlets

A
27
Q

Electrical

Does a outlet need to be GFCI if beyond 6’?

A

NO

28
Q

Electrical

On small projects electrial switching is also shown on what plan?

A

reflected ceiling plan

29
Q

Electrical

On larger projects electrical switching is shown on what plan?

A

The electrical engineers plan

30
Q

Electrical

In residental spaces, the NEC requires that every habitable room, stair and hallway have what?

A

A switch to control lighting

31
Q

Electrical

Does the interior desinger show how lights will be switched?

A

YES

32
Q

Electrical

If a outlet has a special power requirement what is required?

A

Dedicated circuit

33
Q

Electrical

How much feet do you need in front of a access panel?

A

3 feet

34
Q

Electrical

Stairs need a switch where?

A

Top and bottom of stairs

3-way switch

35
Q

RCP

Access panels must be insalled to access what in the ceiling?

A
  • Junction boxes
  • Dampers
  • Valves
  • AHU
36
Q

RCP

How big does a access panle door need to be?

A

24” square