Micah Blevins
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Micah Blevins
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Environment Control System

Environment Control System

Question 1 of 50

1

embodied energy is

Select one of the following:

  • the heat output from building occupants

  • the energy required to produce and deliver a building material

  • the energy lost through the use of inefficient building systems

  • the collective energy that has been used by the human race up to this time

Explanation

Question 2 of 50

1

sustainability may be defined as

Select one of the following:

  • a state in which the needs of the future are met without compromising the ability of the present generation to meet its own needs

  • a state in which the needs of the present are met without compromising the ability of future generations to meet their own needs

  • 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

Explanation

Question 3 of 50

1

the following is the only renewable construction material currently in wide use in north america

Select one of the following:

  • plastics

  • wood

  • steel

  • straw

Explanation

Question 4 of 50

1

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?

Select one of the following:

  • site resources, like vegetation and solar exposure

  • passive strategies, like daylighting and natural ventilation

  • active strategies, like photovoltaics and hvac systems

Explanation

Question 5 of 50

1

the 2030 challenge goal is that by the year 2030

Select one of the following:

  • all new buildings will have reduced their energy consumption by 50% from today's baseline standard

  • all new buildings will be carbon-neutral, using no fossil fuel (greenhouse gas) emitting energy to operate

  • new buildings will have replaced all existing buildings currently in use, and thereby making the environment more sustainable

Explanation

Question 6 of 50

1

in the coming century, ------ will most likely present the most critical resource shortage

Select one of the following:

  • water

  • oil

  • natural gas

  • lumber

Explanation

Question 7 of 50

1

the greenhouse effect is of concern because

Select one of the following:

  • it may block incoming solar radiation and lead to a cooling of the earth

  • it may block incoming solar radiation and make solar collectors ineffective

  • it may trap solar radiation and lead to global warning

Explanation

Question 8 of 50

1

sustainable design looks at the site

Select one of the following:

  • as a home to ecosystems and community resources

  • as a source of renewable energy

  • as a possible heat source and sink

  • all of the above

Explanation

Question 9 of 50

1

how could one best compare the sun's apparent position on june 21 and december 21 in the northern hemisphere?

Select one of the following:

  • the sun appears higher on december 21 than it is on june 21

  • the sun appears higher on june 21 than it is on december 21

  • the sun's position is identical at these times

  • the sun's position varies too greatly to tell

Explanation

Question 10 of 50

1

the interactions between a building and its site are

Select one of the following:

  • uni-directional, the building affects the site, but not vice versa

  • uni-directional, the site affects the building, but not vice versa

  • bi-directional, the site affects the building and the building affects the site

  • non-existent, there are no such interactions

Explanation

Question 11 of 50

1

------ 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.

Select one of the following:

  • ashrae

  • ahvac

  • 2030 challenge

  • leed

Explanation

Question 12 of 50

1

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:

Select one of the following:

  • north

  • south

  • east

  • west

Explanation

Question 13 of 50

1

unlike active strategies, passive strategies

Select one of the following:

  • use nonrenewable energy for heating, cooling, ventilating and illumination

  • use renewable energy for heating, cooling, ventilating and illumination

  • are not as sustainable as active strategies

Explanation

Question 14 of 50

1

deciduous vegetation can play a large role in building design as a result of its ability to:

Select one of the following:

  • increase interior lighting levels

  • prevent winter sun from entering and overheating buildings

  • slow winter wind

  • reduce heat gain during summer months

Explanation

Question 15 of 50

1

ventilation is defined as:

Select one of the following:

  • air introduced to a building to refresh oxygen and provide passive cooling

  • air movement caused by a mechanical device of some sort

  • exterior air motion (also called wind)

  • air that passes from a building's interior to the exterior

Explanation

Question 16 of 50

1

------ 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

Select one of the following:

  • mean radiant temperature

  • wet-bulb temperature

  • relative humidity

Explanation

Question 17 of 50

1

conduction is

Select one of the following:

  • heat flow due to the movement of air (gases and liquids)

  • heat flow due to the contact of two bodies of differing temperatures

  • heat flow through the air in the form of electromagnetic energy, such as sunlight

Explanation

Question 18 of 50

1

convection is

Select one of the following:

  • heat flow due to the movement of air (gases and liquids)

  • heat flow due to the contact of two bodies of differing temperatures

  • heat flow through the air in the form of electromagnetic energy, such as sunlight

Explanation

Question 19 of 50

1

your comfort zone is

Select one of the following:

  • based on the combinations of metabolism, perspiration and respiration that most often produce comfort

  • based on the combinations of active (nonrenewable) energies that most often produce comfort

  • based on the combinations of air temperature, relative humidity, air movement and surface temperatures that most often produce comfort

Explanation

Question 20 of 50

1

which of the following pairs of parameters are used as the primary axes plotted on the psychrometric (bioclimatic) chart?

Select one of the following:

  • dry bulb temperature and relative humidity

  • dry bulb temperature and enthalpy

  • density and specific volume

  • mean temperature and dew point temperature

Explanation

Question 21 of 50

1

radiation is

Select one of the following:

  • heat flow due to the movement of air (gases and liquids)

  • heat flow due to the contact of two bodies of differing temperatures

  • heat flow through the air in the form of electromagnetic energy, such as sunlight

Explanation

Question 22 of 50

1

------ is the organization which has established acceptable design guidelines for human comfort (the comfort zone) in US buildings, that are required by municipal codes

Select one of the following:

  • ashrae

  • ahvac

  • leed

  • 2030.org

Explanation

Question 23 of 50

1

hvac stands for

Select one of the following:

  • heating, ventilating, air moving and cooling

  • heating, ventilating, air quality control and cooling

  • heating, ventilating and air conditioning

Explanation

Question 24 of 50

1

in a skin load dominated building, energy consumption is primarily dictated by:

Select one of the following:

  • the influence of the exterior climate on a building's envelope

  • the influence of the interior climate on a building's envelope

  • lighting use, heat from people, fixtures, equipment and other internal sources

  • the age of the building

Explanation

Question 25 of 50

1

which of the following is not a common source of a building's internal heat loads?

Select one of the following:

  • electric lights

  • radiation from skylights

  • people

  • equipment

Explanation

Question 26 of 50

1

a tall building has deep floor plates and is illuminated primarily by electric light sources. this building is most likely to be:

Select one of the following:

  • an envelope dominated building

  • a switch dominated building

  • an internal load dominated building

  • an external load dominated buidling

Explanation

Question 27 of 50

1

the concept of distribution tree is used to describe

Select one of the following:

  • the network of sales and delivery locations established to promote hvac systems

  • the flow of design information from architect to consultant to contractor

  • the means by which cooling and heating are delivered from a central system to conditioned spaces

Explanation

Question 28 of 50

1

the three primary classifications of central hvac systems (for large bldgs.)

Select one of the following:

  • all air, air and water and all water

  • local, remote and sensor

  • local, central and heat pump

Explanation

Question 29 of 50

1

which of the following would not be a criteria for differentiating a separate interior thermal zone for a building:

Select one of the following:

  • space orientation

  • space acoustics

  • space function

  • space schedule of use

Explanation

Question 30 of 50

1

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)

Select one of the following:

  • supply, return

  • supply, tempered

  • return, supply

Explanation

Question 31 of 50

1

local hvac systems are most likely to be applied in which types of buildings:

Select one of the following:

  • office buildings

  • hospitals and clinics

  • hotels, motels and apartments

  • museums and galleries

Explanation

Question 32 of 50

1

advantages of a local hvac system over a central system would typically include:

Select one of the following:

  • more individual control, smaller equipment units, potential for building conditioning should a single unit fail, no need for a mechanical room

  • better comfort equipment, higher efficiency, more architecturally appealing

  • no space required for equipment, quiet equipment, easy use of centralized controls

Explanation

Question 33 of 50

1

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

Select one of the following:

  • terminal reheat

  • constant volume

  • variable air volume

Explanation

Question 34 of 50

1

------ 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

Select one of the following:

  • dual duct

  • variable air volume

  • displacement

Explanation

Question 35 of 50

1

an all air hvac system

Select one of the following:

  • uses only air to deliver heating/cooling effect to conditioned spaces

  • uses air supply and return within occupied spaces, but water to deliver heating/cooling effect from the central station equipment to the spaces

  • is, by definition, a local system

Explanation

Question 36 of 50

1

a single story, open plan, square office building has five thermal zones. it would be reasonable to conclude that these five zones correspond to:

Select one of the following:

  • offices, corridors, bathrooms, lobby and service spaces

  • the four exposure orientations (n, s, e, w) and the central core

  • the four exposure orientations (n, s, e, w) and the lobby

Explanation

Question 37 of 50

1

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

Select one of the following:

  • True
  • False

Explanation

Question 38 of 50

1

daylight factor is best defined as

Select one of the following:

  • the ratio of daylight intensity between the brightest and dimmest points in a building

  • the average daylight intensity at a specified point between 10 am and 4 pm

  • the ratio of daylight intensity between an interior condition and an exterior reference point

Explanation

Question 39 of 50

1

----- is a horizontal surface that reflects daylight off the ceiling and deep into a space - providing effective daylighting

Select one of the following:

  • clerestory

  • light shelf

  • daylight aperture

Explanation

Question 40 of 50

1

which of the following is not a component of daylight, or the daylight factor?

Select one of the following:

  • sky component

  • externally reflected component

  • solar radiation

  • internally reflected component

Explanation

Question 41 of 50

1

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

Select one of the following:

  • north and south

  • east and west

  • south and west

Explanation

Question 42 of 50

1

a trombe wall is an example of which of the following passive solar heating system types

Select one of the following:

  • sunspace

  • indirect gain

  • direct gain

  • diffuse gain

Explanation

Question 43 of 50

1

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?

Select one of the following:

  • solid brick masonry

  • solid concrete

  • water

  • rigid foam board

Explanation

Question 44 of 50

1

------ 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)

Select one of the following:

  • thermal massing

  • geothermal

  • direct solar

Explanation

Question 45 of 50

1

balance point temperature is best described as

Select one of the following:

  • the temperature at which a backup heating system will take over for a passive system

  • the temperature at which a building needs neither heating nor cooling

  • the temperature that is used to size a conventional heating system

Explanation

Question 46 of 50

1

which of the following is not a strategy for passive cooling of a building?

Select one of the following:

  • high mass cooling

  • stack ventilation

  • evaporative cooling

  • mechanical ventilation system

Explanation

Question 47 of 50

1

cross ventilation is related to primarily to ------

Select one of the following:

  • the size and placement of the inlet and outlet openings

  • the room height

  • the room width

Explanation

Question 48 of 50

1

------ is defined as the placement of windows and other openings in the exterior wall (building envelope) of buildings

Select one of the following:

  • ventilation

  • fenestration

  • infiltration

  • filtering

Explanation

Question 49 of 50

1

what are heating degree days?

Select one of the following:

  • the number of days that heating is required in order to maintain thermal comfort within a building

  • a direct measurement for a building's energy consumption for spatial heating

  • the sum (for an entire year) of the differences between a base temperature and the average daily temperature

Explanation

Question 50 of 50

1

a tall building has deep floorplates and is illuminated primarily by electric light sources. this building is most likely to be:

Select one of the following:

  • an envelope dominated building

  • a switch dominated building

  • an internal load dominated building

  • an external load dominated building

Explanation

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