Building Systems

Front 1

Most desirable duct size

Back 1

Friction allowance depends on shape of duct.

1. Round 1.0

2. Square 1.1

Front 2

Methods to disinfect water to make potable

Back 2

1. Chlorination

2. Ozonation

3. Ultraviolet light

Front 3

Types of sprinkler systems

Back 3

1. Precation system - sends water to system after alarm. System then sounds an alarm. Delay allows for action before water damage.

2. Wet- constantly filled with water. Immediate action

3. Dry- compressed air in pipe until alarm sounds. Then immediate action

4. Deluge- like wet system but all heads discharge at same time . Ideal for flammable materials are stored

Front 4

Photoelectric smoke detector

Back 4

Pass beam of light when obscured by smoke sounds. Smoldering state**

Front 5

Calculate illuminance

Back 5

Back (Definition)

Front 6

Metal halide

Back 6

Is a HID high intensity discharge lamp. Different types but only one with specific burning position . *base up. Base down . Horizontal . Universal

Front 7

Power sizes

Back 7

1. 120/240 volt ,single phase ideal for residential

2. 120/208 volt , 3 phase ideal for small commercial

3. Higher volt, 3phase for large buildings

Front 8

Blower door

Back 8

Fan mounted on door frame . To measure infiltration and leakage

Front 9

Nanometer

Back 9

Measures difference in pressure between two spaces

Front 10

Duct blower

Back 10

Fan mounted on duct to find leaks

Front 11

Flexible metal conduit

Back 11

Use for connecting to motors because it gives with the movement. Also good for where vibration is and impossible straight runs

Front 12

Focusing

Back 12

Sound is focused by concave surfaces and directed to a specific part of room

Front 13

Focusing

Back 13

Sound is focused by concave surfaces and directed to a specific part of room

Front 14

Creep

Back 14

Sound reflected along a curved surface . Sound can be heard along the curve but not across the room.

Front 15

Diffusion

Back 15

Opposite of focusing . Sound scattered all around a room by convex surfaces

Front 16

Diffusion

Back 16

Opposite of focusing . Sound scattered all around a room by convex surfaces

Front 17

Specular reflection

Back 17

Reflection of sound off hard polished surfaces

Front 18

Dead space

Back 18

Short reverberation time. Idea for public speaking spaces

Front 19

Dead space

Back 19

Short reverberation time. Idea for public speaking spaces

Front 20

Live spaces

Back 20

Long reverberations . Ideal for music halls

Front 21

Tone

Back 21

Sound composed of a single frequency

Front 22

Chord

Back 22

A combination of notes played simultaneously

Front 23

Chord

Back 23

A combination of notes played simultaneously

Front 24

Pitch

Back 24

Number of complete wave forms per second

Front 25

Types of fire extinguishers

Back 25

Class A - combustible materials

Class b - flammable gases

Class c - electrical fires

Class d - combustible metals

Front 26

Calculating cooling load

Back 26

Back (Definition)

Front 27

Centrifugal governor

Back 27

Sets the brakes and shuts off power. 1st elevator safety action

Front 28

Safety rail clamps

Back 28

Wedge against the guide rails and stops car smoothly. 2nd line of defense (elevator safety )

Front 29

Safety rail clamps

Back 29

Wedge against the guide rails and stops car smoothly. 2nd line of defense (elevator safety )

Front 30

Final limit switches

Back 30

If elevator overruns safe limits of travel up or down switches activated to stop the car

Front 31

US banned refrigerants

Back 31

Halon

CFC

Front 32

Ideal brightness ratio

Back 32

1:1/3 between task and the adjacent surroundings

Front 33

Psychometric chart zones

Back 33

Front 34

Power (P)

Back 34

Back (Definition)

Front 35

Well pumps

Back 35

1.Submersible - small buildings/residential . Placed below water table and pumps to a pressure tank.

2. Suction: shallow wells

3. Jet "Venturi" - deep wells

4. Turbine- very deep and large

Front 36

Photoelectric cells

Back 36

Perimeter security . Beam if broke sounds alarm

Front 37

SEER

Back 37

Seasonal energy efficiency ratio

Min US for residential 13

Front 38

Curtain Board

Back 38

"Draft curtain"

Smoke movement prohibited

Front 39

Curtain Board

Back 39

"Draft curtain"

Smoke movement prohibited

Front 40

Fixture units

Back 40

Measurement of the amount of water required to operate a plumbing fixture. Add all units for each fixture in building to find total demand and size plumbing pipes

Front 41

Pv cells

Back 41

1. Crystalline- produces to most power

2. Polycrystalline - produces less than crystalline but more competitively priced

3. Amorphous - least power produced to can be applied to building materials