thermal desgin Flashcards
(36 cards)
Aluminium foil insulation has
A. lower R-value for the downward radiative heat than the upward radiative heat
B. higher R-value for the downward radiative heat than the upward radiative heat
C. the same R-value for radiative heat from all different directions
D. the same R-value for both downward and upward radiative heat
B. higher R-value for the downward radiative heat than the upward radiative heat
Double-glazed windows
A. have higher R-value than single-glazed windows, insulated walls and roofs
B. have higher R-value than single-glazed, so more wall areas of an Auckland
house can be covered by double-glazed windows
C. have much lower R-value than insulated walls and roofs
D. have higher R-value than single-glazed windows and insulated wall but
windows are commonly weak part of building envelope for thermal
resistance
C Have much lower R-value than insulated wall and roofs
Direct evaporative cooling
control
A. can be applied for indoor space during summer in all climates
B. can only be applied for indoor space in hot dry climate
C. can only be applied for indoor space in tropical climates
D. can only be applied for indoor space in temperate climate
B Can only be applied for indoor space in hot dry climate
Which of the following passive controls can be applied to improve indoor thermal
comfort for under-heated conditions?
A. mass effect
B. passive solar heating and cross ventilation
C. mass effect with night ventilation
D. cross ventilation
A Mass effect
Winter thermal comfort zones for building thermal design can be calculated using
A. local annual mean climate data
B. local winter monthly mean air temperature and relative humidity
C. local winter mean solar radiation and wind speed
D. local winter wind speed and absolute humidity
B Local winte r monthly mean air temperature and relative humidity
For an Auckland brick veneer house, wall insulation materials are located at the
internal surface of the wall and not located at the external surface of the wall, because
A. it increases the R-value of the house envelope
B. it decreases the R-value of the house envelope
C. building thermal design is for permanent heating
D. building thermal design is for temporary heating
D Building thermal design n is for temporary heating
For winter building thermal design, solar passive heating control can expand the
local winter thermal comfort zone to
A. a lower temperature
B. a lower temperature and higher relative humidity
C. a higher temperature and lower relative humidity
D. both higher temperature and higher relative humidity
A A lower temperature
The house with a small ratio of building surface to volume is not suitable for
A. tropical climates
B. cold climates and tropical climates
C. cold and temperate climates
D. cold and hot-dry climates
A Tropical climates
The house with a small ratio of window to wall is suitable for
A. tropical climate
B. cold climate and tropical climate
C. hot-dry climate and tropical climate
D. hot-dry climate
D Hot-dry climate
Three types of insulations for building thermal design are:
A. Pinkbatts, Earthwool and Cocoon
B. reflective, resistive and capacitive insulations
C. roof insulation, wall insulation and floor insulation
D. polystyrene panel, fiberglass and Aluminium sheet
Three types of insulations for building thermal design are:
. A deep-plan indoor space in a building is
A. good for day lighting
B. not good for natural cross ventilation and day lighting
C. not good for reducing heat loss
D. good for direct passive solar heating
B Not good for natural coss ventilation and day lighting
The compact urban form is not suitable for
The compact urban form is not suitable for
A. hot-dry climate
B. hot-humid climate
C. cold climate
D. hot-dry and cold climates
B Hot-humind climate
The optimal ratio of surface to volume of a below-ground space is closely related
to
A. the local climate
B. the internal air temperature and external air temperature
C. external air temperature and the surrounding soil temperature
D. the internal air temperature and the surrounding soil temperature
C external air temperature and the surrounding soil temperature
For urban environmental design “Generally a large number of small urban open
spaces distributed in the whole urban area is better than a small number of large
urban open spaces for urban thermal comfort.” is
A. only for the temperate climate
B. only for the cold climate
C. only for the hot dry climate
D for all climate conditions
Narrow, curve and zigzag streets are not
streets are not
A. good for hot dry climate
B. good for tropical climate
C. good for cold climate
D. good for any climate conditions
C Goo d for cold climate
The courtyard of a house in hot-dry climate
A. can provide shading and cross ventilation for the house
B. can provide shading and outdoor living space
C. can reduce dust and moisture in the courtyard
D. can increase wind speed and reduce heat gain in the courtyard
D. can increase wind speed and reduce heat gain in the courtyard
The veranda of a tropical house
A. can reduce indoor wind speed and moisture
B. can increase indoor wind speed and air temperature
C. can provide shading and increase cross ventilation
D. can provide stack effect ventilation
C. can provide shading and increase cross ventilation
Outdoor living space of a house is
A. important for all climates
B. good for the tropical and hot-dry climates
C. good for hot dry and cold climates
D. not important for hot dry and tropical climates
A. important for all climates
Adding thermal mass in an Auckland school building envelope
A. cannot reduce fluctuation of winter indoor air temperature
B. can reduce fluctuation of winter indoor air temperature
C. can increase indoor relative humidity and air temperature
D. can reduce indoor relative humidity and air temperature
B. can reduce fluctuation of winter indoor air temperature
In hot-humid climate, walls of a house are
A. same importance as in any other climate conditions for indoor thermal comfort
B. less important than in any other climate conditions for indoor thermal comfort
C. more important than the roof for indoor thermal comfort
D. normally high heat capacity materials
A. same importance as in any other climate conditions for indoor thermal comfort
The most important factor for direct passive solar heating design of a building
is
A. Building opening areas
B. Building structure
C. Building surface colour
D. Building orientation
D. Building orientation
A high density house with a small ratio of surface to volume, small openings, thick
mass walls and light surface colour is designed for
A. Tropical climate
B. Hot-dry climate
C. Cold and tropical climates
D. Temperate climate
B. Hot-dry climate
Best roof thermal design for a hot-humid tropical house will
A. Prevent daytime solar heat gain only
B. Supply good shading and small ratio of building surface to volume
C. Increase cross ventilation
D. Prevent daytime heat gain and encourage night time internal heat loss
D. Prevent daytime heat gain and encourage night time internal heat loss
Indoor thermal comfort is not directly related to
A. Indoor temperatures
B. Indoor relative humidity
C. Indoor surface temperature
D. Indoor absolute humidity
D. Indoor absolute humidity
