Bs Review

Front 1

Material Resistance to water Vapour

Back 1

Permeance

Front 2

Fluid Transfer of Heat

Back 2

Convection

Front 3

HRV System

Back 3

Heat Recovery Ventilator System

uses heat exchanger, in air-to-air heat exchange

Front 4

Dual-Duct System

Back 4

separate ducts for hot and cold air, mixed in a box using pumps and thermostat

Front 5

Energy efficiency of light source

Back 5

Efficacy

Front 6

Speed of escalator

Back 6

90-120 feet a min

Front 7

HVAC Ton

Back 7

One ton of ice into water in 24hrs. - 12,000 BTU

Front 8

Type of fire-suppression is based on:

Back 8

area of building, type of occupancy and number of occupants

Front 9

Human ear can hear

Back 9

20Hz - 20,000 Hz

Front 10

Occupancy Group

Back 10

Size of Room, Size of Exit, Sprinklers, fire safety and egress

Front 11

Ionization Detector

Back 11

Detect fire early, smolderig

Front 12

Candlepower

Back 12

Luminous Intensity - SI candela

Front 13

STC of apartment party wall

Back 13

STC 50

Front 14

Specular Reflection

Back 14

Sound reflects of hard surface, glass

Front 15

Busway or Busduct

Back 15

Several bus bars are assembled in metal housing

Front 16

Lumen

Back 16

unit of luminous flux. Measure of total visible light

Front 17

Luminous Intensity

Back 17

Emit light in a given direction

Front 18

Light strike a surface

Back 18

Reflect, Absorbed,Transmitted

Front 19

Flux

Back 19

Rate of flow of lumens through the surface

Front 20

Anode

Back 20

Hardwater deposit collection

Front 21

CLO

Back 21

insulating value of clothing needed to keep person comfortable at 70F

Front 22

Indirect Light

Back 22

All light is directed towards the ceiling - to reflect from the reflective ceiling

Front 23

EIFS

Back 23

Exterior insulation finishing system

Front 24

ESI

Back 24

Equivalent Spherical Illumination, optimum lighting, with even, no shadows, and bright reflections

Front 25

GFCI

Back 25

Ground Fault Interrupter

Front 26

Elevator Speed Required Equation

Back 26

Height x 1.6 + 350

Front 27

Ohmms Law

Back 27

I = V/R

Front 28

Reflection Coefficient

Back 28

Ratio of reflected light to the total incident light

Front 29

Sound Absorptivity Formula

Back 29

= Area * Coefficient

Front 30

CLTD

Back 30

Cooling Load Temperature Differential

Front 31

Enthalpy

Back 31

Total heat in the system

Front 32

Lux

Back 32

Unit of illumination - metric system. 1 meter-candle 1 lumen /m2

Front 33

Ambient Lighting

Back 33

circulation lighting. Sense of space.

Front 34

Minimum slope for low roof

Back 34

2% or

1/4" per 10 feet

Front 35

Head

Back 35

vertical height of a column of fluid - in units of feet.

Front 36

Water softening system

Back 36

Replace minerals with resins

Front 37

Types of Luminaries

Back 37

Surface mounted, Recessed, Accessory Lighting, Suspended, etc.

Front 38

CCT

Back 38

Color Corrected Temperature - kelvins. cold=blue, warm-red. 11,000 sky

Front 39

Dew point

Back 39

temperature at which the water vapor is not condensing into water any faster than water vaporizing into air.

Front 40

Globe Valve

Back 40

Allows to regulate flow, but looses efficiency due to friction.

Front 41

Fire Detection Devices

Back 41

Ultraviolet radiation flame, ionization, photoelectric, rise of temperature

Front 42

Smoke Barrier

Back 42

Fire-resistant rating of 1 hour.

Front 43

Fire Barrier

Back 43

Stronger then fire partition

Front 44

DX unit

Back 44

Direct Expansion unit. Or window a/c

Front 45

VAV

Back 45

Variable air volume. vary air flow, but constant temperature. precise temperature, reduced compressor wear, lower energy consume, less fan noise, passive dehumidification

Front 46

ICC

Back 46

Impact Isolation Class

Front 47

Point Method Lighting Calculation

Back 47

Method for calculating lighting design procedure

Front 48

Ultrasonic Detector

Back 48

Only can protect an area of two car garage

Front 49

Smoke Alarms

Back 49

Must be in bedrooms/hotel rooms, areas of public assembly.

Front 50

SED

Back 50

Spectral Energy Distribution - graph to plot energy emitted by an object.

Front 51

Drain Tile

Back 51

Pipe to relive hydrostatic pressure from foundation.

Front 52

Footcandle FC

Back 52

Calculated amount of illumination on a surface

Front 53

Glare

Back 53

Direct and Reflective

Front 54

Endothermic

Back 54

Process in which a system absorbs energy from the surroundings

Front 55

AFCI

Back 55

Arc Fault Circuit Interrupter. Required for most rooms around a residence, libraries, closets, etc. Helps prevent electrical fires.

Front 56

Downfeed Water distribution

Back 56

Water is pumped up to storage tank and then gravity-fed down.

Front 57

Degree Day

Back 57

Measure of the approximate average yearly temperature difference between the outside and inside for a particular location.

Front 58

Inverse Square Law

Back 58

Inverse proportional relationship to the square of the distance. (sound and light)

Front 59

Performance Code

Back 59

Will require a certain performance of the system. Ex. minimum exchanges per hour for the air

Front 60

Coliform

Back 60

Bacteria tested for in water

Front 61

Typical Degree Day Temperature

Back 61

65F

Front 62

PEX

Back 62

Cross Linked Polyethylene - used in hot and cold water supply, and hydronic heating.

Front 63

Three Phase

Back 63

3 hot lines, with one out phase with the other two. Provide average 208v because not in phase.

Front 64

Mothballing

Back 64

Close certain areas of building to be repaired at a later date.

Front 65

ICC

Back 65

International Code Council - develops IBC

Front 66

Transmittance

Back 66

Percentage of the total transmitted light to the incident light

Front 67

Zonal Cavity Method

Back 67

Method is most commonly used to determine lighting requirements for offices, commercial and factory spaces.

Front 68

Photoelectric Detector

Back 68

Will "see" the smoke and issue an alarm.

Front 69

PSI in Water

Back 69

Can lift water by 2'-4"

Front 70

Conduit

Back 70

EMT electrical metallic tubing

Front 71

1 Watt = ?

Back 71

3.413 BTU/hr = 1 Watt

1HP = 746 Watts

Front 72

LEED Certified

Back 72

Min 40 points

Front 73

VCP

Back 73

Visual Comfort Probability - viewing from an angle find glare acceptable

Front 74

Electricity Flows in Conductor

Back 74

Current and its measured in AMPs

Front 75

Typical Distance Between Exists

Back 75

75'(max) or half diag size of building

Front 76

AWG

Back 76

American Wire Gauge. 6AWG or more is a cable

Front 77

Ballast required:

Back 77

Fluorescent, High Pressure Sodium, Metal Halide and Mercury Vapour

Front 78

Copper Pipe Thickness

Back 78

K Thickest

L

M

Front 79

DWV

Back 79

Drain, waste, vent

Front 80

Electrical Transformers

Back 80

Liquid-Insulated Transformer

Oil-Insulated Transformer

Dry-Type Transformer

Front 81

LLF

Back 81

Light Loss Factors:

Ballast Factor (BF)

Luminaire Dirt Depreciation (LDD)

Lamp Lumen Depreciation (LLD)

Room Surface Dirt Depreciation (RSDD)

Front 82

Double the distance between source and reciever

Back 82

6 dB reduction

Front 83

Critical Distance

Back 83

max length of pipe between trap and air vent is 48 times the pipe diameter

Front 84

Spacing Ratio

Back 84

Distance between luminaire centers and work surface

Front 85

Luminance

Back 85

How bright is the light leaving the surface.

Front 86

Anode

Back 86

Waterheater inserted metal to collect deposits.

Front 87

Dew point

Back 87

Temperature at which the water vapor becomes saturated and condenses into water.

Front 88

Static Head

Back 88

Resistance needed to be overcome in order for air to move in ducts.