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100問 • 1年前
  • DHANE JOAN NICOLE QUIDLAT
    • 通報

    問題一覧

  • 1

    Light intensity on a surface from the light source

    Lux

  • 2

    Lux formula

    Lumens/m2

  • 3

    Is a procedure for determining the average maintained illuminance on the working plane in a room

    Simple Lumen Method

  • 4

    Number of lamps

    N

  • 5

    Desired illumination level

    I

  • 6

    Lamp lumen

    L

  • 7

    Area of room

    A

  • 8

    This method presupposes that luminaires will be spaced so that uniformity of illumination is provided.

    SIMPLE LUMEN METHOD

  • 9

    This is often used by architects, specially if the type of lamp to be used remain undecided.

    SIMPLE LUMEN METHOD

  • 10

    the art and technique of designing spaces, structures and mechanical systems to meet hearing needs.

    Architectural Acoustics

  • 11

    goal of architectural acoustics

    to make the environment best serve the functions intended, such as work, relaxation or sleep.

  • 12

    Essential Elements of Architectural Acoustics

    Room Acoustics, Sound Reinforcement System, Sound Isolation, Mechanical System Noise Control

  • 13

    Essential Elements of Architectural Acoustics: Room Acoustics

    Volume, Interior Surface Shapes, Surface Material Selection and Placement, Audience Seating and Furnishings

  • 14

    Essential Elements of Architectural Acoustics: Sound Reinforcement System

    Compatibility with room acoustics, Loudspeaker selection and placement, System controls and components

  • 15

    Essential Elements of Architectural Acoustics: Sound Isolation

    Site consideration, Location of activities within the building, Wall, floor & ceiling construction and barriers, Background sound levels, Coordination with room acoustics

  • 16

    Essential Elements of Architectural Acoustics: Mechanical System Noise Control

    Vibration isolation, Duct treatment, Equipment selection, Background Noise Generation

  • 17

    an oscillation in presence of the atmosphere which is capable of being detected by the human ear.

    Sound

  • 18

    It is a form of energy propagated in waves that continues to subsist until filtered through a material turning into heat by friction.

    Sound

  • 19

    the sensation produced through the ear resulting from fluctuations in the pressure of the air.

    Sound

  • 20

    The nature of sound, in order to be heard, requires the following elements:

    Source of sound, Medium or Transmission Path, Receiver

  • 21

    normally a vibrating body, which converts some other form of energy into vibration. The source can be made quitter.

    Source of Sound

  • 22

    often used as a generic term for devices used in converting some form of energy into sound such as loudspeakers and microphones.

    transducer

  • 23

    any substance that allows the vibration to be transmitted in the form of a wave motion. It can be made to transmit more or less sound.

    Transmission path

  • 24

    Sounds that are transmitted by air are called:

    airborne sounds

  • 25

    Sounds that are transmitted through solid bodies are called:

    structure borne sounds

  • 26

    pertains with the human ear.

    Receiver

  • 27

    The types of sound are:

    Music, Speech, Noise

  • 28

    can be classified as ordered sound since it is integrated.

    Music

  • 29

    can also be considered as ordered sound since it is also integrated.

    Speech

  • 30

    is classified as disordered sound

    Noise

  • 31

    are longitudinal waves.

    Sound Vibrations

  • 32

    They can be pure tone or a complex sound.

    Sound Wave

  • 33

    is sound dominated by energy in a single frequency, and is described by a single smooth sine curve.

    pure tone

  • 34

    can only be produced electronically

    Pure tone

  • 35

    are those of speech, music and noise.

    Complex sounds

  • 36

    the full circuit by the particle.

    Cycle

  • 37

    the number of complete cycles per second, measured in hertz (Hz).

    Frequency

  • 38

    the maximum displacement of a particle.

    Amplitude

  • 39

    the time required for one complete vibration, measured in seconds per cycle.

    Period

  • 40

    the distance a sound wave travels during one cycle of vibration

    Wavelength

  • 41

    The Properties of Sound

    Speed or Velocity, Frequency (Pitch or Tone), Power (Intensity or Loudness), Threshold of Audibilit, Threshold of pain, Directionality of Sound Sources

  • 42

    is the speed of sound that varies greatly according to the medium the waves travel in and slightly according to the temperature of the medium.

    Velocity

  • 43

    is often referred to by a term borrowed from musical concepts – Pitch.

    Frequency

  • 44

    The higher the frequency,

    the higher the pitch

  • 45

    approximate frequency range of a healthy person

    20 to 20,000 Hz.

  • 46

    is its number of vibrations in cycles per second, also known as Hertz (Hz).

    frequency

  • 47

    Humans are most sensitive to sounds having significant energy in the :

    500 to 4000 Hz

  • 48

    Low frequency sounds of about 16 to 500 Hz are called

    rumble

  • 49

    high frequency sounds of 1,000 to 8,000 Hz are referred to as

    hissy

  • 50

    also known as sound intensity, is its loudness or impact of its pulsating waves against eardrums, measured in decibels (dB).

    Power, Intensity or Loudness Sound power level

  • 51

    This is the most often used description and measurement of sound relative to human sensitivity as to pressure.

    Sound Pressure Level:

  • 52

    Loudness Level of Common Recognized Sounds: Painful - 140 dB

    Jet engine @ 23 meters away

  • 53

    Loudness Level of Common Recognized Sounds: Painful - 130 dB

    Threshold of pain; jet aircraft @ takeoff (91 meters away)

  • 54

    Loudness Level of Common Recognized Sounds: Painful - 120 dB

    Threshold of feeling; thunder, siren, “hard rock”

  • 55

    Loudness Level of Common Recognized Sounds: Deafening - 110 dB

    Accelerating motorcycle, rock band

  • 56

    Loudness Level of Common Recognized Sounds: Deafening - 100 dB

    Auto horn, chainsaw

  • 57

    Loudness Level of Common Recognized Sounds: Very loud - 90 dB

    Pneumatic tools, shouting

  • 58

    Loudness Level of Common Recognized Sounds: Very loud - 80 dB

    Threshold of hearing loss (long term exposure)

  • 59

    Loudness Level of Common Recognized Sounds: Loud - 70 dB

    Aircraft cabin during flight, speech

  • 60

    Loudness Level of Common Recognized Sounds: Loud - 60 dB

    Highway traffic, inside general office, baby crying, speech

  • 61

    Loudness Level of Common Recognized Sounds: Moderate - 50 dB

    Office activities

  • 62

    Loudness Level of Common Recognized Sounds: Moderate - 40 dB

    Typing, inside private office

  • 63

    Loudness Level of Common Recognized Sounds: Faint - 30 dB

    Bird singing, inside bedroom

  • 64

    Loudness Level of Common Recognized Sounds: Faint - 20 dB

    Whisper

  • 65

    Loudness Level of Common Recognized Sounds: Very Faint - 10 dB

    Rustling leaves, human breathing

  • 66

    Loudness Level of Common Recognized Sounds: Very faint - 0 dB

    Threshold of hearing (Audibility)

  • 67

    ROOM ACOUSTICS

    describes how sounds behave in an enclosed space

  • 68

    The following simplification of acoustical principles will enable you to evaluate how much acoustical material is required.

    Simplified acoustic

  • 69

    The loudness of direct sound waves to a listener determined by:

    The loudness of the original source, The listener distance from the source

  • 70

    Almost imperceptible

    1 dB

  • 71

    Just perceptible

    3 dB

  • 72

    Clearly noticeable

    5 dB

  • 73

    Twice (or ½ ) as loud

    10 dB

  • 74

    Very much louder (or quiter)

    18 dB

  • 75

    When a sound wave strikes a surface such as a floor, wall, or ceiling

    Reflected sound

  • 76

    Sound travels about _____ miles per hour in all directions.

    768

  • 77

    The multiple reflection of sound waves has two effects on acoustics:

    loudness is increased, causes reverberation

  • 78

    Reflected waves will continue ricocheting between room surfaces losing only a fraction of power by absorption at each reflection.

    Reverberation

  • 79

    time measured in seconds that a sound average loudness can be heard before it becomes completely inaudible under quiet conditions.

    Reverberation time

  • 80

    The maximum reverberation time for clear speech

    about 2 seconds

  • 81

    A distinct repetition of direct sound

    Echo

  • 82

    a unit of sound absorption equivalent to one square foot having a coefficient of absorption of 1.00.

    Sabin

  • 83

    Defined as the flow of light

    Luminous Flux

  • 84

    The measure of success of doing this is called ______ and is measured in lumens per watt (lm/W)

    efficacy

  • 85

    the quantity of light emitted by a light source, regardless of direction or distribution. It is synonymous to flow in plumbing.

    Luminous Flux

  • 86

    the brightness of an illuminated or luminous surface as perceived by the human eye.

    Luminance

  • 87

    The visible radiant intensity in a particular direction

    Luminous Intensity

  • 88

    gives a nearly uniform, glare less illumination in the room. This type is useful in spaces with video display terminals

    Indirect Lighting

  • 89

    Directs all light to the ceiling

    Cove Lighting

  • 90

    Should be used only with white or near white ceilings

    Cove Lighting

  • 91

    It has soft and uniform light but lacks emphasis

    Cove Lighting

  • 92

    Suitable for high ceilinged rooms and for places where ceiling heights abruptly change.

    Cove Lighting

  • 93

    Located over work areas to provide higher level of light directly below

    Soffit Lighting

  • 94

    Excellent for niches over sofas, pianos, built-in desks

    Soffit Lighting

  • 95

    Used with large mirrors and countertop lavatories. Length is coordinated with size of mirror

    Soffit Lighting

  • 96

    Add luxury touch with attractively decorated bottom diffuser

    Soffit Lighting

  • 97

    Is always used at windows, usually with draperies

    Valance Lighting

  • 98

    Provides uplight that reflects off ceiling for general lighting and downlight for drapery accent

    Valance Lighting

  • 99

    Totally luminous ceiling provide skylight effect very suitable for interior rooms or utility spaces such as kitchens, baths and laundries.

    Lighted Ceiling

  • 100

    With decorative diffuser patterns, more decorative supports and color accents, they become acceptable for many other living spaces such as family rooms, dens, etc.

    Lighted Ceiling

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    問題一覧

  • 1

    Light intensity on a surface from the light source

    Lux

  • 2

    Lux formula

    Lumens/m2

  • 3

    Is a procedure for determining the average maintained illuminance on the working plane in a room

    Simple Lumen Method

  • 4

    Number of lamps

    N

  • 5

    Desired illumination level

    I

  • 6

    Lamp lumen

    L

  • 7

    Area of room

    A

  • 8

    This method presupposes that luminaires will be spaced so that uniformity of illumination is provided.

    SIMPLE LUMEN METHOD

  • 9

    This is often used by architects, specially if the type of lamp to be used remain undecided.

    SIMPLE LUMEN METHOD

  • 10

    the art and technique of designing spaces, structures and mechanical systems to meet hearing needs.

    Architectural Acoustics

  • 11

    goal of architectural acoustics

    to make the environment best serve the functions intended, such as work, relaxation or sleep.

  • 12

    Essential Elements of Architectural Acoustics

    Room Acoustics, Sound Reinforcement System, Sound Isolation, Mechanical System Noise Control

  • 13

    Essential Elements of Architectural Acoustics: Room Acoustics

    Volume, Interior Surface Shapes, Surface Material Selection and Placement, Audience Seating and Furnishings

  • 14

    Essential Elements of Architectural Acoustics: Sound Reinforcement System

    Compatibility with room acoustics, Loudspeaker selection and placement, System controls and components

  • 15

    Essential Elements of Architectural Acoustics: Sound Isolation

    Site consideration, Location of activities within the building, Wall, floor & ceiling construction and barriers, Background sound levels, Coordination with room acoustics

  • 16

    Essential Elements of Architectural Acoustics: Mechanical System Noise Control

    Vibration isolation, Duct treatment, Equipment selection, Background Noise Generation

  • 17

    an oscillation in presence of the atmosphere which is capable of being detected by the human ear.

    Sound

  • 18

    It is a form of energy propagated in waves that continues to subsist until filtered through a material turning into heat by friction.

    Sound

  • 19

    the sensation produced through the ear resulting from fluctuations in the pressure of the air.

    Sound

  • 20

    The nature of sound, in order to be heard, requires the following elements:

    Source of sound, Medium or Transmission Path, Receiver

  • 21

    normally a vibrating body, which converts some other form of energy into vibration. The source can be made quitter.

    Source of Sound

  • 22

    often used as a generic term for devices used in converting some form of energy into sound such as loudspeakers and microphones.

    transducer

  • 23

    any substance that allows the vibration to be transmitted in the form of a wave motion. It can be made to transmit more or less sound.

    Transmission path

  • 24

    Sounds that are transmitted by air are called:

    airborne sounds

  • 25

    Sounds that are transmitted through solid bodies are called:

    structure borne sounds

  • 26

    pertains with the human ear.

    Receiver

  • 27

    The types of sound are:

    Music, Speech, Noise

  • 28

    can be classified as ordered sound since it is integrated.

    Music

  • 29

    can also be considered as ordered sound since it is also integrated.

    Speech

  • 30

    is classified as disordered sound

    Noise

  • 31

    are longitudinal waves.

    Sound Vibrations

  • 32

    They can be pure tone or a complex sound.

    Sound Wave

  • 33

    is sound dominated by energy in a single frequency, and is described by a single smooth sine curve.

    pure tone

  • 34

    can only be produced electronically

    Pure tone

  • 35

    are those of speech, music and noise.

    Complex sounds

  • 36

    the full circuit by the particle.

    Cycle

  • 37

    the number of complete cycles per second, measured in hertz (Hz).

    Frequency

  • 38

    the maximum displacement of a particle.

    Amplitude

  • 39

    the time required for one complete vibration, measured in seconds per cycle.

    Period

  • 40

    the distance a sound wave travels during one cycle of vibration

    Wavelength

  • 41

    The Properties of Sound

    Speed or Velocity, Frequency (Pitch or Tone), Power (Intensity or Loudness), Threshold of Audibilit, Threshold of pain, Directionality of Sound Sources

  • 42

    is the speed of sound that varies greatly according to the medium the waves travel in and slightly according to the temperature of the medium.

    Velocity

  • 43

    is often referred to by a term borrowed from musical concepts – Pitch.

    Frequency

  • 44

    The higher the frequency,

    the higher the pitch

  • 45

    approximate frequency range of a healthy person

    20 to 20,000 Hz.

  • 46

    is its number of vibrations in cycles per second, also known as Hertz (Hz).

    frequency

  • 47

    Humans are most sensitive to sounds having significant energy in the :

    500 to 4000 Hz

  • 48

    Low frequency sounds of about 16 to 500 Hz are called

    rumble

  • 49

    high frequency sounds of 1,000 to 8,000 Hz are referred to as

    hissy

  • 50

    also known as sound intensity, is its loudness or impact of its pulsating waves against eardrums, measured in decibels (dB).

    Power, Intensity or Loudness Sound power level

  • 51

    This is the most often used description and measurement of sound relative to human sensitivity as to pressure.

    Sound Pressure Level:

  • 52

    Loudness Level of Common Recognized Sounds: Painful - 140 dB

    Jet engine @ 23 meters away

  • 53

    Loudness Level of Common Recognized Sounds: Painful - 130 dB

    Threshold of pain; jet aircraft @ takeoff (91 meters away)

  • 54

    Loudness Level of Common Recognized Sounds: Painful - 120 dB

    Threshold of feeling; thunder, siren, “hard rock”

  • 55

    Loudness Level of Common Recognized Sounds: Deafening - 110 dB

    Accelerating motorcycle, rock band

  • 56

    Loudness Level of Common Recognized Sounds: Deafening - 100 dB

    Auto horn, chainsaw

  • 57

    Loudness Level of Common Recognized Sounds: Very loud - 90 dB

    Pneumatic tools, shouting

  • 58

    Loudness Level of Common Recognized Sounds: Very loud - 80 dB

    Threshold of hearing loss (long term exposure)

  • 59

    Loudness Level of Common Recognized Sounds: Loud - 70 dB

    Aircraft cabin during flight, speech

  • 60

    Loudness Level of Common Recognized Sounds: Loud - 60 dB

    Highway traffic, inside general office, baby crying, speech

  • 61

    Loudness Level of Common Recognized Sounds: Moderate - 50 dB

    Office activities

  • 62

    Loudness Level of Common Recognized Sounds: Moderate - 40 dB

    Typing, inside private office

  • 63

    Loudness Level of Common Recognized Sounds: Faint - 30 dB

    Bird singing, inside bedroom

  • 64

    Loudness Level of Common Recognized Sounds: Faint - 20 dB

    Whisper

  • 65

    Loudness Level of Common Recognized Sounds: Very Faint - 10 dB

    Rustling leaves, human breathing

  • 66

    Loudness Level of Common Recognized Sounds: Very faint - 0 dB

    Threshold of hearing (Audibility)

  • 67

    ROOM ACOUSTICS

    describes how sounds behave in an enclosed space

  • 68

    The following simplification of acoustical principles will enable you to evaluate how much acoustical material is required.

    Simplified acoustic

  • 69

    The loudness of direct sound waves to a listener determined by:

    The loudness of the original source, The listener distance from the source

  • 70

    Almost imperceptible

    1 dB

  • 71

    Just perceptible

    3 dB

  • 72

    Clearly noticeable

    5 dB

  • 73

    Twice (or ½ ) as loud

    10 dB

  • 74

    Very much louder (or quiter)

    18 dB

  • 75

    When a sound wave strikes a surface such as a floor, wall, or ceiling

    Reflected sound

  • 76

    Sound travels about _____ miles per hour in all directions.

    768

  • 77

    The multiple reflection of sound waves has two effects on acoustics:

    loudness is increased, causes reverberation

  • 78

    Reflected waves will continue ricocheting between room surfaces losing only a fraction of power by absorption at each reflection.

    Reverberation

  • 79

    time measured in seconds that a sound average loudness can be heard before it becomes completely inaudible under quiet conditions.

    Reverberation time

  • 80

    The maximum reverberation time for clear speech

    about 2 seconds

  • 81

    A distinct repetition of direct sound

    Echo

  • 82

    a unit of sound absorption equivalent to one square foot having a coefficient of absorption of 1.00.

    Sabin

  • 83

    Defined as the flow of light

    Luminous Flux

  • 84

    The measure of success of doing this is called ______ and is measured in lumens per watt (lm/W)

    efficacy

  • 85

    the quantity of light emitted by a light source, regardless of direction or distribution. It is synonymous to flow in plumbing.

    Luminous Flux

  • 86

    the brightness of an illuminated or luminous surface as perceived by the human eye.

    Luminance

  • 87

    The visible radiant intensity in a particular direction

    Luminous Intensity

  • 88

    gives a nearly uniform, glare less illumination in the room. This type is useful in spaces with video display terminals

    Indirect Lighting

  • 89

    Directs all light to the ceiling

    Cove Lighting

  • 90

    Should be used only with white or near white ceilings

    Cove Lighting

  • 91

    It has soft and uniform light but lacks emphasis

    Cove Lighting

  • 92

    Suitable for high ceilinged rooms and for places where ceiling heights abruptly change.

    Cove Lighting

  • 93

    Located over work areas to provide higher level of light directly below

    Soffit Lighting

  • 94

    Excellent for niches over sofas, pianos, built-in desks

    Soffit Lighting

  • 95

    Used with large mirrors and countertop lavatories. Length is coordinated with size of mirror

    Soffit Lighting

  • 96

    Add luxury touch with attractively decorated bottom diffuser

    Soffit Lighting

  • 97

    Is always used at windows, usually with draperies

    Valance Lighting

  • 98

    Provides uplight that reflects off ceiling for general lighting and downlight for drapery accent

    Valance Lighting

  • 99

    Totally luminous ceiling provide skylight effect very suitable for interior rooms or utility spaces such as kitchens, baths and laundries.

    Lighted Ceiling

  • 100

    With decorative diffuser patterns, more decorative supports and color accents, they become acceptable for many other living spaces such as family rooms, dens, etc.

    Lighted Ceiling