Arch 463
ECS
Final
Fall 99
40 Mystical, Magical, Musical, Many-Faceted, Multiple Choice Questions
Part I—New Questions
1. The building that minimizes conductive heat transfer and solar gain features
A. windowless, super-insulated facades
B. a small percentage of glazed area (triple-glazed low-e) in code-compliant
walls
C. walls dominated by thermopane glazing
D. single-pane, reflective glass curtain walls
2. In today’s construction industry super-insulated walls
A. must consist of rigid insulation applied to the exterior of masonry
B. are at least two feet thick
C. exceed energy code insulation standards by 50%
D. all of the above
3. In double-frame, super-insulated stud walls, vapor barriers can be placed on the outside of the inside studs because
A. the dew point for the inside air will occur further into the wall
B. plumbing and electrical wiring can be located inside the vapor barrier
C. wind barriers are routinely used on exterior walls
D. all of the above
4. The super-insulated wall system that is not structural is
A. double-frame stud wall
B. Larsen trusses
C. 8" thick stress-skin panels
D. none of the above
5. The type of glazing that maximizes insolation to the interior is
A. evacuated glass
B. insulating glass
C. low-e glass
D. single pane glazing
6. The glazing that is least effective in minimizing re-radiation to the exterior is
A. single pane clear glass
B. single pane blue-green glass
C. low-e glazing
D. Kalwall
7. Glazing that is effective for daylighting
A. admits more visual radiation than near-infrared radiation
B. admits over 90% of the visual radiation
C. never admits less than 50% of the visual radiation
D. must be HDS
8. Glazing that can be considered to be primarily a shading device is
A. fritted glass
B. photovoltaic glass
C. silica aero-gel
D. all of the above
9. Psychrometry is the study of
A. space, time, and architecture
B. air, moisture, and heat
C. earth, wind, and fire
D. sociology and time
10. The dew point on the psychrometric chart is where
A. relative humidity is 100%
B. dry bulb and wet bulb temperatures are equal
C. both of the above
D. the humidity ratio is constant
11. When air is heated
A. relative humidity rises
B. wet bulb temperature rises
C. enthalpy is constant
D. none of the above
12. When hot humid air is cooled to 70ºF, 20% RH
A. only sensible heat is removed
B. only latent heat is removed
C. both sensible and latent heat are removed
D. evaporation occurs
13. Internals loads that affect mechanical cooling come from
A. showers
B. cooking
C. electric lights
D. all of the above
14. The thermal energy principle that drives an absorption cooling system is
A. equilibrium
B. decompression
C. evaporation
D. all of the above
15. An earth-coupled heat pump can
A. store summer heat in the earth
B. operate at high efficiency on frigid days
C. heat and cool a building efficiently
D. all of the above
16. The most economical method for placing the ground coils of an earth-coupled heat pump for a new building is
A. in trenches deeper than the frost line in the yard
B. beneath the insulated basement slab of the building
C. in 100’ deep holes drilled in the yard
D. all of the above are equally economical
17. The mechanical cooler that is potentially the least efficient and effective during hot arid summers is
A. compression
B. absorption
C. evaporative or "swamp cooler"
D. all of the above are effective
18. The cooling tower for a mid-rise office building could be effectively
A. located in a fountain
B. located on the roof
C. replaced by a ground coil or a lake coil
D. all of the above
19. Mechanical floors in high-rise buildings
A. can be integrated with cross-bracing for lateral loads
B. can be spaced over forty floors apart
C. cannot be expressed on the exterior facades
D. all of the above
20. Horizontal duct work in a building can be integrated in
A. interstitial space
B. hollow structural members
C. decorative elements, like fabric tubes
D. all of the above
Part II—Review Questions
21. If you design a green building, your client should expect to
A. lower her expectations for thermal comfort
B. have a less satisfying life
C. both of the above
D. none of the above
22. To achieve thermal comfort for a person in the sun at 86ºF and 30% RH, you could provide
A. shade
B. evaporation
C. air flow
D. all of the above
23. Variables that affect human comfort include
A. gender
B. place of habitation
C. metabolism
D. all of the above
24. A building that is internal load dominated can have a balance point temperature
A. that’s close to 65ºF
B. that varies seasonally, winter to summer, from 72–80ºF
C. that varies diurnally, night to day, from 60–75ºF
D. that’s below 25ºF
25. The surface temperature of a thermally massive wall is
A. always warmer than air temperature
B. always close to air temperature
C. somewhere between substantially lower than to substantially higher than air
temperature
D. always cooler than air temperature
26. Your double-hung window with exterior shutters and interior Venetian blinds can act as a
A. barrier
B. filter
C. connector
D. all of the above
27. In a city located on the eastern shore of Lake Michigan (42º NL) you’d expect
A. a moderate climate for the latitude/region
B. a humid climate
C. above average snowfall in winter
D. all of the above
28. To prevent summer overheating of an office in Moscow, ID with only a north-facing window, the minimalist architect would provide
A. an exterior horizontal shading device
B. two exterior vertical shading devices
C. an exterior vertical shading device to the west of the window
D. an exterior egg-crate shading device
29. Natural ventilation is most effective for cooling a thermally massive building on hot arid summer days when
A. the inlet apertures are on the windward side
B. the inlet apertures are on the leeward side
C. the inlet and outlet apertures are low in the space
D. the apertures are only open at night
30. A direct gain solar building uses thermal mass to
A. control daytime air temperature
B. release heat during the evening
C. minimize temperature swings
D. all of the above
31. The best window choice for cross-ventilating a room that has windows on only one side would be
A. clerestories
B. double-hung
C. casement
D. mission impossible, none of the above
32. In a hot arid climate, a house with a highly vegetated, fountain-dominated courtyard will
A. produce the most effective physiological cooling for the house
B. produce only evaporative cooling
C. provide psychological cooling
D. be totally ineffective
33. A roof pond or skytherm is
A. a direct gain system
B. an indirect gain system
C. an isolated gain system
D. useful only for passive cooling
34. To provide energy-saving daylighting to a building through a skylight you would
A. shade the skylight
B. provide a deep, ventilated lightwell
C. use a photocell to turn off electric lights when daylight is adequate
D. all of the above
35. To assure the most effective stack ventilation for a building, you’d provide
A. the largest inlet aperture
B. the highest stack
C. the largest outlet aperture
D. the highest internal load
36. Wind direction on a site is affected by
A. regional prevailing winds
B. topography
C. surface materials
D. all of the above
37. Thermal mass in a building can include
A. an insulated floor slab
B. an exterior brick veneer wall
C. medieval stone flying buttresses
D. all of the above
38. A desiccant cooling system incorporates
A. a roof-mounted radiator
B. a closed building strategy
C. heat- and water -storing mass
D. all of the above
39. An active solar system can
A. provide heated water for a swimming pool
B. store summer heat for winter use
C. aid in cooling a building in a hot sunny climate
D. all of the above
40. The U-value of windows ranges from
A. 1 to 3
B. 1 to 12
C. 1 to 0.2
D. 1 to 0.08
HAVE A HAPPY HOLIDAY!!