Pregunta 1
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embodied energy is
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the heat output from building occupants
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the energy required to produce and deliver a building material
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the energy lost through the use of inefficient building systems
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the collective energy that has been used by the human race up to this time
Pregunta 2
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sustainability may be defined as
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a state in which the needs of the future are met without compromising the ability of the present generation to meet its own needs
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a state in which the needs of the present are met without compromising the ability of future generations to meet their own needs
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a state in which the needs of the present are met without concern for compromising the ability of future generations to meet their own needs
Pregunta 3
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the following is the only renewable construction material currently in wide use in north america
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plastics
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wood
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steel
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straw
Pregunta 4
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according to the design pyramid for a sustainable building design process, which of the following should be considered first in the process - before other factors are considered, and utilized the most?
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site resources, like vegetation and solar exposure
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passive strategies, like daylighting and natural ventilation
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active strategies, like photovoltaics and hvac systems
Pregunta 5
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the 2030 challenge goal is that by the year 2030
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all new buildings will have reduced their energy consumption by 50% from today's baseline standard
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all new buildings will be carbon-neutral, using no fossil fuel (greenhouse gas) emitting energy to operate
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new buildings will have replaced all existing buildings currently in use, and thereby making the environment more sustainable
Pregunta 6
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in the coming century, ------ will most likely present the most critical resource shortage
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water
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oil
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natural gas
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lumber
Pregunta 7
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the greenhouse effect is of concern because
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it may block incoming solar radiation and lead to a cooling of the earth
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it may block incoming solar radiation and make solar collectors ineffective
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it may trap solar radiation and lead to global warning
Pregunta 8
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sustainable design looks at the site
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as a home to ecosystems and community resources
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as a source of renewable energy
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as a possible heat source and sink
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all of the above
Pregunta 9
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how could one best compare the sun's apparent position on june 21 and december 21 in the northern hemisphere?
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the sun appears higher on december 21 than it is on june 21
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the sun appears higher on june 21 than it is on december 21
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the sun's position is identical at these times
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the sun's position varies too greatly to tell
Pregunta 10
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the interactions between a building and its site are
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uni-directional, the building affects the site, but not vice versa
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uni-directional, the site affects the building, but not vice versa
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bi-directional, the site affects the building and the building affects the site
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non-existent, there are no such interactions
Pregunta 11
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------ is an ecology oriented building certification program which concentrates its efforts on improving building performance in environmental and human health, energy efficiency, indoor environmental quality, materials selection, site development and water savings.
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ashrae
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ahvac
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2030 challenge
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leed
Pregunta 12
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in temperate climates of north america, where the design goal is to take full advantage of solar energy for daylighting and passive heating of a building interior, most exterior glazing for the building should be oriented:
Pregunta 13
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unlike active strategies, passive strategies
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use nonrenewable energy for heating, cooling, ventilating and illumination
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use renewable energy for heating, cooling, ventilating and illumination
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are not as sustainable as active strategies
Pregunta 14
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deciduous vegetation can play a large role in building design as a result of its ability to:
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increase interior lighting levels
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prevent winter sun from entering and overheating buildings
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slow winter wind
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reduce heat gain during summer months
Pregunta 15
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ventilation is defined as:
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air introduced to a building to refresh oxygen and provide passive cooling
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air movement caused by a mechanical device of some sort
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exterior air motion (also called wind)
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air that passes from a building's interior to the exterior
Pregunta 16
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------ is the amount of moisture in the air as compared with the maximum amount that the air could contain at the same temperature, expressed as a percentage
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mean radiant temperature
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wet-bulb temperature
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relative humidity
Pregunta 17
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heat flow due to the movement of air (gases and liquids)
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heat flow due to the contact of two bodies of differing temperatures
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heat flow through the air in the form of electromagnetic energy, such as sunlight
Pregunta 18
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heat flow due to the movement of air (gases and liquids)
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heat flow due to the contact of two bodies of differing temperatures
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heat flow through the air in the form of electromagnetic energy, such as sunlight
Pregunta 19
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your comfort zone is
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based on the combinations of metabolism, perspiration and respiration that most often produce comfort
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based on the combinations of active (nonrenewable) energies that most often produce comfort
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based on the combinations of air temperature, relative humidity, air movement and surface temperatures that most often produce comfort
Pregunta 20
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which of the following pairs of parameters are used as the primary axes plotted on the psychrometric (bioclimatic) chart?
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dry bulb temperature and relative humidity
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dry bulb temperature and enthalpy
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density and specific volume
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mean temperature and dew point temperature
Pregunta 21
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heat flow due to the movement of air (gases and liquids)
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heat flow due to the contact of two bodies of differing temperatures
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heat flow through the air in the form of electromagnetic energy, such as sunlight
Pregunta 22
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------ is the organization which has established acceptable design guidelines for human comfort (the comfort zone) in US buildings, that are required by municipal codes
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ashrae
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ahvac
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leed
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2030.org
Pregunta 23
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heating, ventilating, air moving and cooling
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heating, ventilating, air quality control and cooling
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heating, ventilating and air conditioning
Pregunta 24
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in a skin load dominated building, energy consumption is primarily dictated by:
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the influence of the exterior climate on a building's envelope
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the influence of the interior climate on a building's envelope
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lighting use, heat from people, fixtures, equipment and other internal sources
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the age of the building
Pregunta 25
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which of the following is not a common source of a building's internal heat loads?
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electric lights
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radiation from skylights
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people
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equipment
Pregunta 26
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a tall building has deep floor plates and is illuminated primarily by electric light sources. this building is most likely to be:
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an envelope dominated building
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a switch dominated building
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an internal load dominated building
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an external load dominated buidling
Pregunta 27
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the concept of distribution tree is used to describe
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the network of sales and delivery locations established to promote hvac systems
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the flow of design information from architect to consultant to contractor
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the means by which cooling and heating are delivered from a central system to conditioned spaces
Pregunta 28
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the three primary classifications of central hvac systems (for large bldgs.)
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all air, air and water and all water
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local, remote and sensor
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local, central and heat pump
Pregunta 29
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which of the following would not be a criteria for differentiating a separate interior thermal zone for a building:
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space orientation
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space acoustics
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space function
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space schedule of use
Pregunta 30
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in an hvac system, ------- air moves from the air handling unit (ahu) to occupied spaces, and ------- air moves from the occupied spaces to the air handling unit (ahu)
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supply, return
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supply, tempered
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return, supply
Pregunta 31
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local hvac systems are most likely to be applied in which types of buildings:
Pregunta 32
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advantages of a local hvac system over a central system would typically include:
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more individual control, smaller equipment units, potential for building conditioning should a single unit fail, no need for a mechanical room
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better comfort equipment, higher efficiency, more architecturally appealing
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no space required for equipment, quiet equipment, easy use of centralized controls
Pregunta 33
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a -------- system is a single duct hvac system where the volume, rather than the temperature, of supply air is controlled in order to meet comfort requirements
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terminal reheat
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constant volume
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variable air volume
Pregunta 34
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------ is an hvac system which utilizes two ducts - one for hot air and one for cold air. the air from these ducts is blended in mixing boxes before distribution, to allow greater variation in temperature of air delivered
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dual duct
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variable air volume
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displacement
Pregunta 35
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an all air hvac system
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uses only air to deliver heating/cooling effect to conditioned spaces
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uses air supply and return within occupied spaces, but water to deliver heating/cooling effect from the central station equipment to the spaces
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is, by definition, a local system
Pregunta 36
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a single story, open plan, square office building has five thermal zones. it would be reasonable to conclude that these five zones correspond to:
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offices, corridors, bathrooms, lobby and service spaces
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the four exposure orientations (n, s, e, w) and the central core
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the four exposure orientations (n, s, e, w) and the lobby
Pregunta 37
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with internal load dominated buildings, it is possible that cooling may be required in some zones even in the winter - due to the internal heat loads
Pregunta 38
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daylight factor is best defined as
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the ratio of daylight intensity between the brightest and dimmest points in a building
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the average daylight intensity at a specified point between 10 am and 4 pm
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the ratio of daylight intensity between an interior condition and an exterior reference point
Pregunta 39
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----- is a horizontal surface that reflects daylight off the ceiling and deep into a space - providing effective daylighting
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clerestory
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light shelf
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daylight aperture
Pregunta 40
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which of the following is not a component of daylight, or the daylight factor?
Pregunta 41
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in many locations, an ideal orientation for buildings is an elongated, narrow plan allowing the ------- facades of the building maximum exposure to more easily controllable daylight
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north and south
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east and west
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south and west
Pregunta 42
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a trombe wall is an example of which of the following passive solar heating system types
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sunspace
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indirect gain
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direct gain
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diffuse gain
Pregunta 43
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which of the following materials would not make an effective thermal mass wall - in which the massive material heats slowly from solar exposure, and later releases its heat slowly to a surrounding space?
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solid brick masonry
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solid concrete
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water
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rigid foam board
Pregunta 44
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------ is a heating and/or cooling system that transfers heat to or from the ground. it uses the earth as a heat source (in the winter) or a heat sink (in the summer)
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thermal massing
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geothermal
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direct solar
Pregunta 45
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balance point temperature is best described as
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the temperature at which a backup heating system will take over for a passive system
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the temperature at which a building needs neither heating nor cooling
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the temperature that is used to size a conventional heating system
Pregunta 46
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which of the following is not a strategy for passive cooling of a building?
Pregunta 47
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cross ventilation is related to primarily to ------
Pregunta 48
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------ is defined as the placement of windows and other openings in the exterior wall (building envelope) of buildings
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ventilation
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fenestration
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infiltration
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filtering
Pregunta 49
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what are heating degree days?
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the number of days that heating is required in order to maintain thermal comfort within a building
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a direct measurement for a building's energy consumption for spatial heating
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the sum (for an entire year) of the differences between a base temperature and the average daily temperature
Pregunta 50
Pregunta
a tall building has deep floorplates and is illuminated primarily by electric light sources. this building is most likely to be:
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an envelope dominated building
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a switch dominated building
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an internal load dominated building
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an external load dominated building