Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

WELL EXAM > Comfort Concept > Flashcards

Comfort Concept Flashcards

1
Q

How many features are there?

A

12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

4 areas of comfort

A

acoustics
ergonomics
olfaction, and
thermal comfort

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Study of sound and properties of a space or building that determine how sound is transmitted or reflected within it or though it.

A

Acoustic Comfort

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Energy composed of pressure waves, or vibrations, that travel through the air or another material and produce an audible signal when they reach person’s ear

A

Sound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Can be measured in Hertz Hz

A

Sound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Unit of measure used for frequency that a wave cycles, or repeats, its wavelength

A

Hertz

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Equal to one cycle per second

A

1 hertz

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What frequencies can human ear hear?

A

20Hz to 20,000 Hz

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Can cause physical, psychological stress leading to cardiovascular stress, decreased productivity, and cognitive performance

A

Noise

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Adapting objects, spaces, such as workstations and workflow

A

Ergonomic Comfort

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Injury affecting body’s movements or its muscles, bones, tendons, nerves, or ligaments

A

Musculoskeletal disorder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Refers to sense of smell, perception of air quality, unpleasant smell causes stress

A

Olfactory Comfort

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Follows standard ASHRAE Standard 55-2013, Thermal Environmental Conditions for Human Occupancy

A

Thermal Comfort

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Rate of transformation of chemical energy into heat and mechanical work by metabolic activities of a person, expressed in units of met

A

Metabolic rate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Resistance to sensible heat transfer provided provided by a clothing, expressed in units of clo

A

Clothing insulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Temperature of air surrounding an occupant taken with a dry bulb thermometer, measurede in C or F

A

Air temperature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Average of surface temp of the surroundings which body can exchange heat by radiant transfer, measured in C and F

A

Mean radian temperature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Rate of air movement at a point without regard to direction, measured in m/s (fpm)

A

Air speed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Average moisture in air, measured in percent of releative humidity %rh

A

Humidity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Math and graphical study of the properties of air

Graphical representation of properties of air

Determine comfort zone

A

Psychrometric charts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Feature 72: Accessible Design precon for?

A

all 3 property types

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Feature 72: Accessible Design requires what and uses which standard?

A

Requires projects to provide equitable built environments through compliance with one of 2 listed standards : the current ADA standards for accessible design or ISO 21542:2011 building construction - accessibility and usability of the Built Environment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Enacted law prohibits discrimination against PWD

A

Americans with Disabilities Act ADA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Independent, nongovernmental international organization that develops consensus-based market relevant standards for worldwide use

A

International Organization for Standardization ISO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Feature 72: Accessible Design. Part 1: accessibility and usability - requires what?

A

Requires all projects comply with ADA Standards for Accessible Design or ISO 21542:2011, Building Construction - Accessibility and Usability of the Built Environment

ISO 21542:2011 - internationally recognized degines how built environments should be designed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Feature 73: Ergonomics: Visual and Physical precon for?

A

NEI and NEB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Feature 73: Ergonomics: Visual and Physical - what is its goal?

A

• Goal is to be able to adjust their monitors, desk heights, and workstations seating to meet their personal needs and prevent injuries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Feature 73: Ergonomics: Visual and Physical. Part 1: Visual Ergonomics requires what? Cite 2.

A

Requires computer screens, including laptops be adjustable for height and distance from the user

Have adjustable risers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Feature 73: Ergonomics: Visual and Physical. Part 2: Desk Height Flexibility - requires what?

A

Rrequires at least 30% of workstations that are seated height or similar work surfaces be adjustable-height sit-stand desks, desktop height adjustment stands, or pairs of fixed-height desks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Feature 73: Ergonomics: Visual and Physical. • Part 3: Seat Flexibility - requires what?

A

Requires chair height and seat depth adjustability be compliant with the HFES 10 standard or BIFMA G1 guidelines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Published by Human Factors and Ergonomics Society HFES - interdisciplinary non profit org covering the fields of human factors and ergonomics

A

HFES 100

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

An ANSI accredited standard that addresses the design of workstations, furniture, and computer systems

A

• HFES100 Human Factors Engineering of Computer workstations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Published by BUsiness and Institutional Furniture Manufacturers Association BIFMA - non profit org that developers and performs standards for furniture

Guidelines for dimensional guidance to office furniture, design, specifications of ergonomic solutions

A

BIFMA G1 guidelines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Feature 74: Exterior Noise Intrusion precon for?

A

Core and Shell and NEB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Feature 74: Exterior Noise Intrusion optimization for?

A

Optimization for NEI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

pressure variation associated with sound waves, usually decibels

A

acoustic pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Feature 74: Exterior Noise Intrusion. Part 1 : Sound Pressure Level limits what?

What’s the max?
When should it be measured?

A

Limits exterior noise that is allowed to infiltrate in occupied spaces

Should be measured when the spaces are empty and within 1 hour of normal business hours

Maximum average sound pressure level cannot exceed 50 dBA for the requirements of this feature

38
Q

unit of measurement for sound which an increase of 10 equal an increase by a factor of 10

A

Decibel db

39
Q

Feature 75: Internally Generated Noise precon for?

A

NEI and NEB

40
Q

Feature 75: Internally Generated Noise. Part 1: Acoustic Planning - must be developed. What must be done?

A

Must identify loud and quiet zones as well as any noise producing equipment

Plan is then used to configure the spaces to reduce noise

41
Q

Feature 75: Internally Generated Noise. Part 2: Mechanical Equipment Sound Levels - requires what?

A

Requires spaces not exceed maximum noise criteria

o HVAC msut meet the ff
Open offices and lobbies - maximum NC of 40

Enclosed offices - maximum NC of 35

Conference rooms and breakout rooms - maximum NC f 30 (25 recommended)

42
Q

Used instead of decibels for measuring sound in occupied building spaces because it is more accurately measures the low frequency noise produced by HVAC and other mechanical equipment

A

• Noise criteria

43
Q

Feature 76: Thermal Comfort precon for?

A

All 3 project types

44
Q

provides criteria for both mechanically ventilated and naturally conditioned spaces, which must be met for Feature 76, depending on type of ventilation system used

A

•ASHRAE Standard 55-2013 Thermal Environmental Conditions for Human Occupancy

45
Q

Feature 76: Thermal Comfort. Part 1: Ventilated Thermal Environment - requires what?

A

Requires all spaces in a mechanically ventilated building meet the design of ASHRAE 552013 Section 5.3: standard comfort zone compliance

46
Q

Feature 76: Thermal Comfort. Part 2 Natural Thermal Adaptation - requires what?

A

Requires all spaces in naturally conditioned building meet criteria of ASHRAE Standard 55-2013 Section 5.4 Adaptive Comfort Model

47
Q

Feature 77: Olfactory Comfort. Optimization for?

A

NEI and NEB

48
Q

Feature 77: Olfactory Comfort. Part 1: Source separation - requires what?

A

Requires all restrooms, janitorial closets, etc use source separation methods to prevent strong odors from migrating to other occupied spaces

49
Q

Feature 77: Olfactory Comfort. Part 1: Source separation - what must be used?

A

Negative pressurization

Pressure differential keeps air and odors from migrating to surrounding higher-pressure spaces. This is expensive method.

Self-closing doors - prevents airflow from one space to another
- Hallways, vestibules, or other immediate areas

50
Q

2 or more sets of doorways and act as airlocks to prevent free airflow between spaces

A

Vestibules

51
Q

Time it takes for sound to decay, expressed in seconds

A

Reverberation Time

52
Q

can cause excessive noise levels and lead to stress, difficulty in communication, and loss of productivity

A

•Long reverberation time

53
Q

Feature 78: Reverberation Time optimization for?

A

NEI and NEB

54
Q

Feature 78: Reverberation Time. • Part 1: Reverberation Time requires what

  • for conference room?
  • for open work spaces?
A

o For conference room: 0.6 seconds, must take 0.6 or less for a sound to decay 60Db from original level
o Open work spaces - 0.5 seconds

55
Q

Length of time taken for a sound to decay by 60db from original level

A

Reverberation Time 60 or RT60

56
Q

Use of electronic devises to generate low level background noise. Allows increased confidentiality

A

Sound masking

57
Q

Feature 79: Sound Masking optimization for?

A

NEI and NEB

58
Q

Feature 79: Sound Masking. Part 1: Sound Masking Use requires what?

A

Requires sound masking system for all open office work spaces

For large spaces, a central control module and multiple emitters can be used

59
Q

Feature 79: Sound Masking. Part • Part 2: Sound Masking Limits.
Cite limits for
- open workspaces
- enclosed offices

A

Open work spaces - 45 dba to 48 dba when measured from nearest work space

Enclosed offices - 40dba to 42 dba

60
Q

Feature 80: Sound Reducing Surfaces optimization for?

A

NEI and NEB

61
Q

counteract excessive sound transmission that might be present after a building is built

A

Sound reducing surfaces

62
Q

Average value that determines the absorptive properties of materials

A

NRC

63
Q

NRC ranges from what number to what number? describe.

A

0 to 1

0 indicated absolute sound reflection
1 indicated sound absorption

64
Q

Acoustic ceiling tile with an NRC value of 0.65. Explain

A

Ceiling would absorb 65%, reflecting 35%

65
Q

Feature 80: Sound Reducing Surfaces. Part 1: Ceilings requires what

  • for open spaces
  • conference rooms
A

Requires open work spaces a minimum of NRC 0.9 for entire surfaces

Conference and teleconference rooms are required to have minimum NRC of 0.8 for at least 50% of surface area

66
Q

Feature 80: Sound Reducing Surfaces. Part 2: addresses the vertical surfaces in conference and telecon rooms. What are the requirements for?

  • enclosed offices
  • open workspaces
  • partitioned offices
A

Requires enclosed offices minimum NRC of 0.8 for at least 25% of surface area of surrounding walls

Open work spaces must have a minimum NRC of 0.8 for at least 25% of surface area of surrounding walls

Partitioned offices must be at least 1.2m(48’’) high and have minimum NRC of .80

67
Q

Feature 81
Part 1: Wall Constructions Specs requires what for interior partition wall?

Enclosed offices - cite number for
w/ sound masking and w/out sound masking.

Conference room?

A

With sound masking, interior partition walls must meet minimum STC of 40

Wout sound masking, must meet minimum STC 45

Conference room minimum STC of 53

68
Q

Lab method for determining sound transmission through a wall

A

STC

69
Q

Feature 81

Part 2: Doorway Specifications - requires x of x strategies. How many and what are these?

A

Requires at least one of 3 sound reduction strategies

o Doors connecting private offices, conference rooms:
Gaskets - strips of rubber or foam. Create an airtight seal

Sweeps - attached to bottom of door slab and seal the space

Nonhollow cores - composed of solid wod or MDF
 Increased density of these door slabs reduced sound transmission

70
Q

Feature 81

Part : Wall Construction Methodology requires 3 items. What are these?

A

Properly sealing all acoustically rated partitions at top and bottom

Staggering all gypsum board seams

Packing and sealing all penetrations through the wall

71
Q

Feature 82: Individual Thermal Control optimization for?

A

NEI and NEB

72
Q

Ability of occupants to choose their own work space within the office or workplace

A

Free address

73
Q

Feature 82: Individual Thermal Control. Part 1: Free Address - applies to which projects?

A

Projects over 200 sqm

74
Q

Feature 82: Individual Thermal Control. Part 1: Free Address cite the 3 requirements?

Part 2: Personal Thermal Comfort Devices requires what?

A

Part 1a: requires that building provide thermal gradient of at lest 3 deg celsius across open spaces and between floors or in rooms more than 10 people

Part 1b: requires all open spaces with occupants performing tasks that use similar workstations allow at least 50% free address so occupants can select work space with desired temp

Part 2: Personal Thermal Comfort - requires occupants more than 10 workstations in the same HVAC zones have access to thermal comfort devices. Fans or heated/cooled office chairs

75
Q

Feature 83: Radiant Thermal Comfort optimization for?

A

3 project types

76
Q

Radiant temp system that uses water or another heat transfer fluid to carry heated or chilled water from point of generations to point of use

A

Hydronic radiant heating or cooling systems

77
Q

Uses heat created by resistance of wiring to electrical current

A

Electric radiant system

78
Q

Feature 83: Radiant Thermal Comfort. Part 1: Lobbies and common spaces requires to follow which standards?

And by using what?

In which areas?

A

ASHRAE Standard 55-2013

Hydronic radiant heating/cooling systems or
Electric radiant systems

Include elevators, stairs, atrium, restrooms

79
Q

Feature 83: Radiant Thermal Comfort. Part 2: Offices and Other Regularly Occupied Spaces requires requires to follow which standards?

And by using what?

A

Requires at least 50% of floor area in all offices meet ASHRAE Standard 55-2013

Hydronic radiant heating/cooling systems or
Electric radiant systems

80
Q

Leading source of dissatisfaction within the office

A

Acoustic problems

81
Q

Adverse effects related to ergonomics

A

Musculoskeletal

Nervous Systems

82
Q

Low back pain affects ___ of Americans

___ days of work missed

A

31 million

380,600

83
Q

___% or ___million of all disability-adjusted life years (DALYs) resulted from musculoskeletal disorders

A

7%

169 Million

84
Q

In the US how many only provided acceptable thermal comfort?

A

11%

85
Q

Traffic noise causes which diseases?

What’s its effect in behavior?

A

Diabetis
Stroke
Heart Attack

Reduced reaction time
Increased Annoyance

86
Q

Internally generated noise can lead to?

A

Reduced concentration
Reduce mental arithmetic performance
Increased distraction

87
Q

Balancing of heat gains and losses to maintain body’s core temp within range of 36-38 degrees

A

homeothermy

88
Q

Thermal comfort is regulated by which part of the brain?

A

Hypothalamus

89
Q

Thermal comfort can affect

A

mood
performance
productivity

90
Q

Olfactory discomfort can trigger?

A

eye, nose, throat irritation
nausea
headaches

WELL EXAM (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions