APES Ch 20 Test Questions with Correct Answers (Grade A+)
Question 1: Passive House Explained
Answer: 1. Insulation 2. Plug Up Air Leaks 3. No Therman Bridges 4. Triple Pane Windows 5. Air
Exchangers
Question 2: Thermal Bridge
Answer: matherial that conducts heat inside/outside the building (metals are best conductors)
Question 3: What does an air exchanger do?
Answer: Allows fresh air in but heats/cools it before circulating it throughout the house
Question 4: What type of windows are used in passive?
Answer: triple pane
Question 5: The Northern Hemisphere uses ___________ facing windows
Answer: south
Question 6: Position overhanging roofs so the sun, positioned _______ in the sky during the winter, will
shine through windows but the _______ positioned sun will not shine through during the summer.
Answer: low, high
Question 7: What is high thermal mass?
Answer: ability to absorb, store, and release lots of heat (ie: brick, tile, cement, adobe)
Question 8: Active solar involves/uses ________________ and/or ____________________ moving parts
to enhance the sun's energy conversion
Answer: mechanical, electric
Question 9: Solar collectors can pump hot ________ or ____________ through the house
Answer: air, liquid
Question 10: What is the shape of the tracking mirror in CSP (solar tower)?
Answer: flat
Page 1
, Question 11: Where does the sun's energy concentrate its reflection? (CSP: solar tower)
Answer: receiving tower
Question 12: The large tube in the tower is filled with a fluid, such as __________ which has a high
thermal mass. This fluid heats _______ creating _____________. The steam turns the ____________,
inside a generator, creating _________________. (CSP)
Answer: molten salt, water, steam, turbine, electricity
Question 13: What happens to both the molten salt and the steam? (CSP)
Answer: get reused
Question 14: What is the big advantage of CSP-solar tower?
Answer: 24/7, because energy can be stored
Question 15: The shape of the mirror is _______________ (CSP: trough mirrors)
Answer: parabolic
Question 16: Where is the sun's energy concentrated? (CSP: trough mirrors)
Answer: receiving tube in center
Question 17: What is the central tube filled with? (CSP: trough mirrors)
Answer: molten salt
Question 18: Sunlight is made up of ______
Answer: photons
Question 19: What material is used in PV cells?
Answer: silicon
Question 20: Each thin cell layer has a positive and a negative side. This creates an
_______________________________. Electrons absorb photon energy and are free to move with the
electric field. (due to electric potential) Elections move in a circuit, creating _______________.
Answer: electric potential (field), electricity
Page 2
Question 1: Passive House Explained
Answer: 1. Insulation 2. Plug Up Air Leaks 3. No Therman Bridges 4. Triple Pane Windows 5. Air
Exchangers
Question 2: Thermal Bridge
Answer: matherial that conducts heat inside/outside the building (metals are best conductors)
Question 3: What does an air exchanger do?
Answer: Allows fresh air in but heats/cools it before circulating it throughout the house
Question 4: What type of windows are used in passive?
Answer: triple pane
Question 5: The Northern Hemisphere uses ___________ facing windows
Answer: south
Question 6: Position overhanging roofs so the sun, positioned _______ in the sky during the winter, will
shine through windows but the _______ positioned sun will not shine through during the summer.
Answer: low, high
Question 7: What is high thermal mass?
Answer: ability to absorb, store, and release lots of heat (ie: brick, tile, cement, adobe)
Question 8: Active solar involves/uses ________________ and/or ____________________ moving parts
to enhance the sun's energy conversion
Answer: mechanical, electric
Question 9: Solar collectors can pump hot ________ or ____________ through the house
Answer: air, liquid
Question 10: What is the shape of the tracking mirror in CSP (solar tower)?
Answer: flat
Page 1
, Question 11: Where does the sun's energy concentrate its reflection? (CSP: solar tower)
Answer: receiving tower
Question 12: The large tube in the tower is filled with a fluid, such as __________ which has a high
thermal mass. This fluid heats _______ creating _____________. The steam turns the ____________,
inside a generator, creating _________________. (CSP)
Answer: molten salt, water, steam, turbine, electricity
Question 13: What happens to both the molten salt and the steam? (CSP)
Answer: get reused
Question 14: What is the big advantage of CSP-solar tower?
Answer: 24/7, because energy can be stored
Question 15: The shape of the mirror is _______________ (CSP: trough mirrors)
Answer: parabolic
Question 16: Where is the sun's energy concentrated? (CSP: trough mirrors)
Answer: receiving tube in center
Question 17: What is the central tube filled with? (CSP: trough mirrors)
Answer: molten salt
Question 18: Sunlight is made up of ______
Answer: photons
Question 19: What material is used in PV cells?
Answer: silicon
Question 20: Each thin cell layer has a positive and a negative side. This creates an
_______________________________. Electrons absorb photon energy and are free to move with the
electric field. (due to electric potential) Elections move in a circuit, creating _______________.
Answer: electric potential (field), electricity
Page 2
