Quiz
Environment Control System
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Questions in this quiz (50)
1embodied energy is
- Athe heat output from building occupants
- Bthe energy required to produce and deliver a building material
- Cthe energy lost through the use of inefficient building systems
- Dthe collective energy that has been used by the human race up to this time
2sustainability may be defined as
- Aa state in which the needs of the future are met without compromising the ability of the present generation to meet its own needs
- Ba state in which the needs of the present are met without compromising the ability of future generations to meet their own needs
- Ca state in which the needs of the present are met without concern for compromising the ability of future generations to meet their own needs
3the following is the only renewable construction material currently in wide use in north america
- Aplastics
- Bwood
- Csteel
- Dstraw
4according 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?
- Asite resources, like vegetation and solar exposure
- Bpassive strategies, like daylighting and natural ventilation
- Cactive strategies, like photovoltaics and hvac systems
5the 2030 challenge goal is that by the year 2030
- Aall new buildings will have reduced their energy consumption by 50% from today's baseline standard
- Ball new buildings will be carbon-neutral, using no fossil fuel (greenhouse gas) emitting energy to operate
- Cnew buildings will have replaced all existing buildings currently in use, and thereby making the environment more sustainable
6in the coming century, ------ will most likely present the most critical resource shortage
- Awater
- Boil
- Cnatural gas
- Dlumber
7the greenhouse effect is of concern because
- Ait may block incoming solar radiation and lead to a cooling of the earth
- Bit may block incoming solar radiation and make solar collectors ineffective
- Cit may trap solar radiation and lead to global warning
8sustainable design looks at the site
- Aas a home to ecosystems and community resources
- Bas a source of renewable energy
- Cas a possible heat source and sink
- Dall of the above
9how could one best compare the sun's apparent position on june 21 and december 21 in the northern hemisphere?
- Athe sun appears higher on december 21 than it is on june 21
- Bthe sun appears higher on june 21 than it is on december 21
- Cthe sun's position is identical at these times
- Dthe sun's position varies too greatly to tell
10the interactions between a building and its site are
- Auni-directional, the building affects the site, but not vice versa
- Buni-directional, the site affects the building, but not vice versa
- Cbi-directional, the site affects the building and the building affects the site
- Dnon-existent, there are no such interactions
11------ 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.
- Aashrae
- Bahvac
- C2030 challenge
- Dleed
12in 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:
- Anorth
- Bsouth
- Ceast
- Dwest
13unlike active strategies, passive strategies
- Ause nonrenewable energy for heating, cooling, ventilating and illumination
- Buse renewable energy for heating, cooling, ventilating and illumination
- Care not as sustainable as active strategies
14deciduous vegetation can play a large role in building design as a result of its ability to:
- Aincrease interior lighting levels
- Bprevent winter sun from entering and overheating buildings
- Cslow winter wind
- Dreduce heat gain during summer months
15ventilation is defined as:
- Aair introduced to a building to refresh oxygen and provide passive cooling
- Bair movement caused by a mechanical device of some sort
- Cexterior air motion (also called wind)
- Dair that passes from a building's interior to the exterior
16------ 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
- Amean radiant temperature
- Bwet-bulb temperature
- Crelative humidity
17conduction is
- Aheat flow due to the movement of air (gases and liquids)
- Bheat flow due to the contact of two bodies of differing temperatures
- Cheat flow through the air in the form of electromagnetic energy, such as sunlight
18convection is
- Aheat flow due to the movement of air (gases and liquids)
- Bheat flow due to the contact of two bodies of differing temperatures
- Cheat flow through the air in the form of electromagnetic energy, such as sunlight
19your comfort zone is
- Abased on the combinations of metabolism, perspiration and respiration that most often produce comfort
- Bbased on the combinations of active (nonrenewable) energies that most often produce comfort
- Cbased on the combinations of air temperature, relative humidity, air movement and surface temperatures that most often produce comfort
20which of the following pairs of parameters are used as the primary axes plotted on the psychrometric (bioclimatic) chart?
- Adry bulb temperature and relative humidity
- Bdry bulb temperature and enthalpy
- Cdensity and specific volume
- Dmean temperature and dew point temperature
21radiation is
- Aheat flow due to the movement of air (gases and liquids)
- Bheat flow due to the contact of two bodies of differing temperatures
- Cheat flow through the air in the form of electromagnetic energy, such as sunlight
22------ is the organization which has established acceptable design guidelines for human comfort (the comfort zone) in US buildings, that are required by municipal codes
- Aashrae
- Bahvac
- Cleed
- D2030.org
23hvac stands for
- Aheating, ventilating, air moving and cooling
- Bheating, ventilating, air quality control and cooling
- Cheating, ventilating and air conditioning
24in a skin load dominated building, energy consumption is primarily dictated by:
- Athe influence of the exterior climate on a building's envelope
- Bthe influence of the interior climate on a building's envelope
- Clighting use, heat from people, fixtures, equipment and other internal sources
- Dthe age of the building
25which of the following is not a common source of a building's internal heat loads?
- Aelectric lights
- Bradiation from skylights
- Cpeople
- Dequipment
26a tall building has deep floor plates and is illuminated primarily by electric light sources. this building is most likely to be:
- Aan envelope dominated building
- Ba switch dominated building
- Can internal load dominated building
- Dan external load dominated buidling
27the concept of distribution tree is used to describe
- Athe network of sales and delivery locations established to promote hvac systems
- Bthe flow of design information from architect to consultant to contractor
- Cthe means by which cooling and heating are delivered from a central system to conditioned spaces
28the three primary classifications of central hvac systems (for large bldgs.)
- Aall air, air and water and all water
- Blocal, remote and sensor
- Clocal, central and heat pump
29which of the following would not be a criteria for differentiating a separate interior thermal zone for a building:
- Aspace orientation
- Bspace acoustics
- Cspace function
- Dspace schedule of use
30in 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)
- Asupply, return
- Bsupply, tempered
- Creturn, supply
31local hvac systems are most likely to be applied in which types of buildings:
- Aoffice buildings
- Bhospitals and clinics
- Chotels, motels and apartments
- Dmuseums and galleries
32advantages of a local hvac system over a central system would typically include:
- Amore individual control, smaller equipment units, potential for building conditioning should a single unit fail, no need for a mechanical room
- Bbetter comfort equipment, higher efficiency, more architecturally appealing
- Cno space required for equipment, quiet equipment, easy use of centralized controls
33a -------- 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
- Aterminal reheat
- Bconstant volume
- Cvariable air volume
34------ 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
- Adual duct
- Bvariable air volume
- Cdisplacement
35an all air hvac system
- Auses only air to deliver heating/cooling effect to conditioned spaces
- Buses air supply and return within occupied spaces, but water to deliver heating/cooling effect from the central station equipment to the spaces
- Cis, by definition, a local system
36a single story, open plan, square office building has five thermal zones. it would be reasonable to conclude that these five zones correspond to:
- Aoffices, corridors, bathrooms, lobby and service spaces
- Bthe four exposure orientations (n, s, e, w) and the central core
- Cthe four exposure orientations (n, s, e, w) and the lobby
37with 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
- ATrue
- BFalse
38daylight factor is best defined as
- Athe ratio of daylight intensity between the brightest and dimmest points in a building
- Bthe average daylight intensity at a specified point between 10 am and 4 pm
- Cthe ratio of daylight intensity between an interior condition and an exterior reference point
39----- is a horizontal surface that reflects daylight off the ceiling and deep into a space - providing effective daylighting
- Aclerestory
- Blight shelf
- Cdaylight aperture
40which of the following is not a component of daylight, or the daylight factor?
- Asky component
- Bexternally reflected component
- Csolar radiation
- Dinternally reflected component
41in 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
- Anorth and south
- Beast and west
- Csouth and west
42a trombe wall is an example of which of the following passive solar heating system types
- Asunspace
- Bindirect gain
- Cdirect gain
- Ddiffuse gain
43which 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?
- Asolid brick masonry
- Bsolid concrete
- Cwater
- Drigid foam board
44------ 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)
- Athermal massing
- Bgeothermal
- Cdirect solar
45balance point temperature is best described as
- Athe temperature at which a backup heating system will take over for a passive system
- Bthe temperature at which a building needs neither heating nor cooling
- Cthe temperature that is used to size a conventional heating system
46which of the following is not a strategy for passive cooling of a building?
- Ahigh mass cooling
- Bstack ventilation
- Cevaporative cooling
- Dmechanical ventilation system
47cross ventilation is related to primarily to ------
- Athe size and placement of the inlet and outlet openings
- Bthe room height
- Cthe room width
48------ is defined as the placement of windows and other openings in the exterior wall (building envelope) of buildings
- Aventilation
- Bfenestration
- Cinfiltration
- Dfiltering
49what are heating degree days?
- Athe number of days that heating is required in order to maintain thermal comfort within a building
- Ba direct measurement for a building's energy consumption for spatial heating
- Cthe sum (for an entire year) of the differences between a base temperature and the average daily temperature
50a tall building has deep floorplates and is illuminated primarily by electric light sources. this building is most likely to be:
- Aan envelope dominated building
- Ba switch dominated building
- Can internal load dominated building
- Dan external load dominated building
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- Micah Blevins
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