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Generally, in terms of thermal comfort, the goal is to maintain the __________ as close to ambient room temperature(s) as possible. |
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Definition
Mean Radiant Temperature (MRT) |
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In terms of thermal comfort (as indicated by Lechner), air movement affects the heat-loss rate by both __________ and __________. |
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Definition
Convection and evaporation |
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The shapes of the psychrometric chart get their shape and proportions from the fact that as the air gets __________, it can hold __________ water vapor. |
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Definition
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The condition that describes the point at which the air is fully saturated and cannot hold any more moisture is called __________. Any __________ beyond this point results in condensation. |
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Definition
Dew point temperature, cooling |
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Term
In reference to the bioclimatic chart, true or false: Internal gains are sufficient for thermal comfort in a room between 68 degrees and 78 degrees Fahrenheit. |
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Definition
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Term
Because of water vapor and clouds in hot and humid climates, the diurnal temperature range is _____. |
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Definition
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Term
Using the psychrometric chart, if the dry bulb temperature is 75 and the wet bulb temperature is 60, the relative humidity (RH) is _______. |
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True or False: The psychrometric-bioclimatic chart is a tool for understanding temperatures and coincident relative humidities of a climate |
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Consider an envelope-dominated building. the following factors impact the heat gain/loss of the structure: |
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Definition
Geometry of building (surface-area volume ratio) Orientation and location of building Climate |
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Term
______________is the large amount of energy required to change the state or phase of a material. |
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Energy issues are the largest sub-set of all sustainability issues. Which of the following is the largest sub-set of energy issues that will influence design decisions? |
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Of the energy sources consumed in the United States, approximately what percentage is from renewable sources? |
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Massive envelope constructions are suitable for subtropical desert-like climates. What factor of these climates mostly influences this choice? |
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Definition
Fluctuation of temperature between day and night (diurnal fluctuations). |
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Term
Generally, in terms of thermal comfort, the designer's goal is to maintain internal room comfort for occupants through the control of various temperature conditions and fluctuations. The combined effect of these internal heat sources is called |
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Definition
the mean radiant temperature (MRT) |
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Term
Resistance (R), the insulation value of a composite structure, is related to conduction in the following manner: |
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Definition
R is inversely proportional to U |
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Term
The second law of thermodynamics states that heat transfer takes place in one direction, from a [-----] grade to a [-----] grade state, seeking [-----] distribution of heat energy. |
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Definition
The second law of thermodynamics states that heat transfer takes place in one direction, from a [higher] grade to a [lower] grade state, seeking [even] distribution of heat energy. |
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Term
Which of the following statements are true of the Architecture 2030 initiative? Complete the sentence, "Architecture 2030... |
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Definition
includes new buildings as well as renovations in its goal setting strategy." sets forth that buildings are to use no fossil fuel nor GHG-emitting energy to operate by 2030." allows some level of renewable or renewable energy credit (REC) to achieve its goals." and energy code (ASHRAE) revisions seem to be seeking dissimilar performance outcomes from the built environment." |
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U.S. Energy use as percentage of World Energy use= |
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Definition
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Building industry energy use within the U.S. = |
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Definition
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true or false: One of the main reasons for regional differences in architecture is the response to climate. |
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(converted to sensible heat within material) |
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Definition
(reflected off of the surface) |
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Definition
(given from the surface, reducing sensible heat) |
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Term
Mean Radiant Temperature (MRT): |
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Definition
The mean radiant temperature describes the weighted average, radiant environment, for a point in space. |
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Term
Primary methods of heat flow |
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Definition
conduction, convection, radiation |
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Term
One cubic foot of water can store or transfer the same amount of heat as over ______ of air. |
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Definition
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Term
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Definition
largely a function of sun angles (latitude) and therefore, we can begin to understand climate regions based upon their locations |
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Definition
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Passive solar 2 common elements |
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Definition
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3 types of passive solar systems |
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Definition
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Definition
Building integrated Photovoltaics |
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Definition
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Geo Exchange | Geo Thermal: |
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Definition
1 -Due to their high heat capacity, large bodies of water and the ground have a time lag temperature compared to the air. 2 –A few feet below, the ground temperature remains constant due to the cyclic nature of seasons. |
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Term
GHP (geothermal heat pumps)systems consist of three parts*: |
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Definition
1.The ground heat exchanger2.The heat pump unit3.The air delivery system (piping and ductwork)* |
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Definition
A ground heat exchange method in which the heat transfer fluid is permanently contained in a closed piping system. Also called a ground-loop system. |
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Definition
A ground heat exchange method in which the heat transfer fluid is part of a larger environment. The most common open loop systems use ground water, reclaimed water, or surface water as the heat transfer medium. |
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Term
A geo-exchange system, within which the heat transfer medium is permanently contained in a sealed piping system, is called a (an): |
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Definition
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Term
In mechanical systems duct routing, a duct system is often referred to as a tree system. This is because: |
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Definition
The main (trunk) line is the largest duct and the supply ducts (branches) get progressively smaller |
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Term
The main component that allows a typical air-conditioner to convert to a heat pump is _____________. |
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Definition
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Term
Within the basic refrigerant cycle the refrigerant becomes cold as it passes through the ___________. |
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Definition
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Term
Within the definition of Single duct all-air systems, VAV stands for: |
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Definition
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Term
Air movement affects the heat-loss rate by both __________ and __________. |
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Definition
convection and evaporation |
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Term
In mechanical (HVAC) drawings, a supply duct is drawn as a rectangle inscribed with: |
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Definition
Two lines that crisscross each other |
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Term
In mechanical (HVAC) drawings, a return duct is drawn as a rectangle inscribed with: |
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Definition
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Term
___________________ ponds are basins that catch runoff from higher elevation areas. They are usually shallow and contain some water while limiting flooding and removing pollutants. |
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Definition
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