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WorksheetsQuiz
Total questions: 48
Worksheet time: 36mins
Beta question 1 (single-answer): In which Italian region is Milan located?
Liguria
Piamonte
Lombardia
Umbria
Beta question 2 (multiple-answer): Which of the following statements is true about Milan?
It is the capital city of Italy
Back to late antiquity, it served as the capital of the Western Roman Empire
It is considered by many academics to have been the birthplace of the Renaissance
It has the third-largest economy among EU cities after Paris and Madrid
Beta question 3 (true or false): The river Tiber is the main watercourse of the city of Milan.
True
False
The law that states that if two bodies are in thermal equilibrium with a third body, they are in thermal equilibrium with each other, is:
Newton's 1st Law
1st Law of Thermodynamics
Newton's 2nd Law
Zero Law of Thermodynamics
A system that is defined as a quantity of matter or a region in space chosen for analysis is:
Open
Closed
Thermodynamic
Adiabatic
When a system has the same temperature throughout, the system is said to be in ...
equilibrium:
Thermal
Mechanical
Chemical
All the others
True or False: An isolated system is one that does not allow the flow of energy or mass with the external environment.
True
False
Heat, work, and therefore energy, are measured in:
W
J
m/s
Wh
True or false: By convention, a temperature difference or interval is notated with K (Kelvin).
True
False
The transfer of energy across the boundary of a system due to a temperature difference between the system and its surroundings is:
Kinetic energy
Work
Heat
Temperature
Its value is always between zero and unity.
Radiation
Emissivity
Thermal conductivity
Thermal capacity
Specific heat
Which of the following is a form of heat transfer:
Condensation
Convection
Compression
Conduction
Conversation
Which of the following expressions corresponds to the heat flow transfer per unit of time by conduction:
True or False: Conductance is a material property, regardless of its shape or size.
True
False
True or False: The transparent parts of the building envelope are the weakest points in terms of thermal resistance mainly due to the high conductivity of glass.
True
False
Which of the following is true for thermal transmittance (U):
It is the inverse of the thermal conductance
It is the inverse of the sum of the thermal resistances of all component layers of a building element and the boundary resistances
Indicates the ability of a building layer/element to oppose heat flow
Defines the capacity of a structural element to transmit heat under stable conditions
To account for convective motions and radiative effects near surfaces, we use:
Liminal convection
Thermal convection
Liminal resistances
Thermal resistances
Liminal radiation
Conventionally, what type of insulation is best to avoid thermal bridges:
Interior
Exterior
A combination of both with an appropriate solution for each part of the building
What parameter represents an intrinsic property of materials?
C
U
λ
R
Time lag and decrement factor are two parameters that determine:
A good or bad performance of an enclosing wall in stable climates
A good or bad performance of an enclosing wall in highly fluctuating climates
The time delay due to the thermal mass and the reduction in cyclical temperature on the inside surface compared to the outside surface
All the answers are correct
A and C are correct
Which of the following statements is true:
Putting insulation toward the outside and materials with better thermal capacities toward the inside is the optimal solution to guarantee good behavior in
summer
In warm tropical and equatorial climates, buildings tend to be very open and lightweight
In very cold and sub-polar regions, buildings are usually highly insulated with very little exposed thermal mass
All are correct
What does the diagram in the image represent?
Intermittent ventilation
Solar chimney
Evaporative cooling
Stack effect
A and D are correct
According to the figure, what is happening in the building:
The building needs a renovation of indoor air due to high internal gains
The building is consuming more energy than needed
The building is heating up, so it will need cooling
The building may not be properly insulated
The building is cooling down, so it will need heating
According to the figure, what is happening in the building:
The building needs a renovation of indoor air due to high internal gains
The building is consuming more energy than needed
The building is heating up, so it will need cooling
The building is not properly insulated
The building is cooling down, so it will need heating
"For schools, ASHRAE and the CDC recommend having a minimum of 2 ACH in an hour." What does it mean?
The air volume of a classroom should renovate twice a day
The air volume of a classroom should renovate less than twice an hour to keep indoor thermal conditions
The air volume of a classroom should renovate, at least, twice an hour, to ensure good IAQ
B and C are correct
What of the following aproximates to the U-value of a single-glazed metallic frame window?
1.8
less than 1
5.7
3.0
The thermal transmittance of a window is commonly calculated by the following expression:
A and B are correct, depending on the consideration of linear thermal bridges
What of the following aproximates to the U-value of a double-glazed metallic frame window?
1.8
Less than 1
5.7
3.0
What of the following aproximates to the U-value of a LowE double-glazed PVC frame window?
1.8
Less than 1
5.7
3.0
What of the following aproximates to the U-value of a triple-glazed PVC frame window?
1.8
Less than 1
5.7
3.0
Which of the following is not an internal gain in the energy balance of a building?
A dog
A fridge
A person seated down
Furniture
Lighting
Which of the following factors affect heat dissipation from the human body and thus also thermal comfort?
Food and drink
Air temperature
Carbon dioxide concentration
Age and gender
Metabolic rate (activity)
True or False: Occupants of HVAC-controlled buildings will bear greater ranges of temperatures than those inhabiting naturally ventilated ones.
True
False
What does the center of the circle represent?
The sky vault
The azimut
The zenith
The North pole
The observer's position
What does the external circumference represent?
The sky vault
The azimut
The zenith
The North pole
The horizon
True or False: In cold climates where the dominant problem is underheating, the surface-to-volume ratio should be the least as possible.
True
False
Which of the following types of insulation relies on the thermal capacity of materials and their delaying action on the heat flow?
Reflective insulation
Compressed insulation
Resistive insulation
Capacitive insulation
To calculate the total heat requirement of a building during a year (i.e., heating demand in kWh/m2 y) one should calculate... :
The adition of the heating demands of each of the thermal zones of the building and divide the result by the overal conditioned surface
The weighted sum of the heating demands of each thermal zone of the building over the conditioned area in each case
The adition of the heating demands of each of the thermal zones of the building and divide the result by the conditioned volume
The average of heating demands of each of the thermal zones of the building
When was the European Directive on the energy efficiency of buildings first issued?
In 2002
In 2007
In 2010
In 2012
"A building that has a very high energy performance, while the very low amount of energy required should be covered to a very significant extent by energy from renewable sources, produced on-site or nearby" is...
A positive energy district (PED)
A net zero energy building (NZEB)
A nearly zero energy building (nZEB)
A positive energy building (PEB)
According to what we have seen in the lectures, what is the first thing to address in designing a highly energy-performant building?
Design energy-efficient and high-performant active systems
Estimate the energy contribution of renewable energy sources (RES)
Pre-assess the reduction on GHG emissions
Minimize the energy demand
Design for local adaptation and climate-related features
Which of the following problems can arise in a highly insulated building?
There wouldn't be thermal bridges
A greater concentration of pollutants
A greater infiltration rate
Less heat losses
Overheating in summer
Select the best-suited strategies for a residential building in a temperate climate
Open large windows facing the equator to increase solar gains
All the answers are correct
Increase the thermal capacitive of the walls
Use solar protection to avoid sun radiation in summer
Enhance night ventilation in summer
Select the best-suited strategies for a residential building in a hot-dry climate
Open large windows facing the equator to increase solar gains
Finish the walls with light colours
Increase the thermal capacitive of the walls
Evaporative cooling
Enhance night ventilation in summer
Select the best-suited strategies for a residential building in a warm-humid climate
Elevate the constructions to catch the breeze
Imitate nature-based architecture
(i.e., trees)
Increase the thermal capacitive of the walls
Evaporative cooling
Enhance the air movement to increase the cooling effect
Which is the best strategy to implement if we mainly want to store the sun’s heat?
Direct gain
Trombe wall
Sunspace
Which is the best strategy to implement if the space will be abandoned when passive solar or passive cooling are not able to maintain comfort?
Direct gain
Trombe wall
Sunspace
Which two can be combined for a better quality of light levels and a good thermal performance?
Sunspace
Direct gain
Trombe wall
