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Building Tech: Control Systems > Exam #1 > Flashcards

Exam #1 Flashcards

1
Q

What is a system?

A

Combines interrelated interacting artifacts designed to work as a coherent entity.

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2
Q

MEP/FP

A

Mechanical, Electrical, Plumbing, Fire Protection

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3
Q

Mechanical

A

Heating, air conditioning

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4
Q

Mechanical System Example

A

HVAC, Plumbing, Fire Protection

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5
Q

Electrical

A

lighting. power

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6
Q

Electrical System Example

A

Power Distribution, lighting, low voltage

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7
Q

Plumbing

A

toilets, sink

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8
Q

Fire Protection

A

Sprinkler systems

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9
Q

Animal Skeleton –> Building System

A

Skeleton- Structure
Skin- Envelope
Blood Circulation- Heating/Cooling Systems
Nervous System- Electrical
Digestive System- Plumbing

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10
Q

HVAC

A

Heating, Ventilation, Air Conditioning

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11
Q

Temperature

A

Measurement of stored energy.

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12
Q

Heat

A

Energy that is transferred from one body to another.

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13
Q

BTU

A

British Thermal Unit (Measurement of Energy). The amount of heat it takes to heat up one pound of water one degree in one hour. Similar to the flame of a birthday candle.

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14
Q

Ton

A

Measurement of energy
Amount of energy it takes to melt one ton of ice in one hour.

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15
Q

How many BTU makes up a ton?

A

12,000 BTU = 1 ton

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16
Q

Radiation

A

Thermal- between two bodies that aren’t conducted. ( the Sun and Earth)

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17
Q

Conduction

A

Heat transferred to a new solid. One hot, one cold, even out in temperature.

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18
Q

Convection

A

Heat transferring to a liquid.

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19
Q

Six S’s

A

Skin, Structure, Systems (heat, power, etc.), Space dividers (walls, doors, etc.), Stuff (Furniture), and Site.

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20
Q

How do buildings interfere with people?

A
  1. Comfort
    a. lighting
    b. temperature
    c. humidity
    d. drafts
    e. acoustics
    2.Building functions dictate interior
  2. Safety
  3. Quality of life
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21
Q

Where does heat come from inside a building?

A

Envelope- Sun shining through glass
People- heat, moisture
Lighting/equipment

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22
Q

Dry Bulb

A

Actual air temperature

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23
Q

Wet Bulb

A

Amount of Moisture in the air

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24
Q

Sick Building Syndrome

A

When a building did not have enough ventilation, all contaminates stayed in the building.

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25
What causes sick building syndrome?
Lack of fresh air (ventilation) Smoking VOC- Formaldehyde in materials and finishes
26
IAQ
Indoor Air Quality Code driven, as important as ADA
27
CFM
Cubic Feet per Minute (FT^3/min.) Air moving, size of a basketball
28
What is the rule of thumb for CFM?
1 CFM per square foot of space
29
Refrigeration cycle
Study Diagram
30
Types of Air Conditioners
Window, rooftop, Split system
31
Heat Pump
Reverse Refrigerant Cycle
32
Water Cooled Systems
Water pulls away heat faster
33
Air Cooled Systems
Fans are used to cool down
34
Greenwashing
Making something seem more sustainable than it actually is
35
Hydronic System
Study Diagram
36
4 Pipe System
one pipe supplies cold water, One pipe supplies warm water, one pipe pulls out cold water, one pipe pulls out warm water.
37
Radiant floors
Piping under finished floor using warm water to heat up the floor.
38
Radiant panels
Ceiling panels, wall panels, under desk mobile panels.
39
Forced air systems
heaters and ductwork
40
Diffusers
Round, square, linear slot, linear bar grilles
41
Coanda Effect (diffusers)
Air spreads across the ceiling mixing in new air.
42
Linear Slot Diffuser
Applied near windows
43
Linear Bar Grilles
Full meatal architectural features, applied near windows.
44
Baseboard heaters
Electric or hot water
45
Things above the ceiling
Ductwork, pipes, VAV boxes, fan powered boxes
46
VAV Boxes
Variable Air Volume- used to control space temperature by changing or varying the air volume.
47
Fan Powered Boxes
Used when main system is off usually at night. Heats/cools perimeter of a building.
48
VRF
Variable Refrigerant Flow- multiple indoor units with one outdoor unit.
49
Ground Source HVAC
Geothermal- utilizes the ground to absorb and store heat.
50
Green Initiatives
Premium efficient equipment, CO2 monitoring
51
Underfloor Systems
12" spacing under the finished floor to allow clean air to come through vents on the floor pushing the old air out through vents on the ceiling.
52
Churn
When offices change from one office type to another
53
What is the purpose of solar design
Free heating
54
Solar design principles
Solar angles based on the season
55
Overhang
Light shelf for South facing walls, effective for indirect light, direct solar heating, shading at high solar angles.
56
light Shading
Blocks direct summer sun, allows winter sun to warm, extends daylight in a space.
57
Mass Wall
Uses the mass of the building to heat at night
58
Trombe Wall
Study Diagram
59
Domestic Hot Water
The sun heats water through a tank on the roof. Not good for cold climates.
60
Evacuated Tubes
Heat water in the tubes, can be used in cold climates.
61
Steam generation
Uses steam to heat up a space. Study Diagram Heliostats- mirrors that move with the sun
62
Photovoltaic
Calculator style of solar power
63
Wind Turbines
Windmills, the sun is what creates wind

Building Tech: Control Systems (2 decks)

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