Midterm I
30 Multiple Choice Questions
1. An effective and efficient radient heating system for a residence in a cool climate is
A. a down draft oil burning furnace
B. a horizontal draft natural gas furnace
C. a hydronic floor slab and ground-coupled heat pump
D. electric resistance radient ceiling
2. To ensure minimum duct sizing in a forced-air heating system,
A. the thermostat should be centrally located
B. walls should be well-insulated
C. the furnace should be located in the attic
D. none of the above
3. An effective and low-cost HVAC system for a single story, open plan department store would be
A. a central simple or direct expansion system
B. a multisense system
C. a single duct, variable volume system
D. a three-pipe system
4. An advantage of a dual duct, high velocity system is
A. reduced duct size
B. local control of air quality
C. elimination of return air
D. all of the above
5. In a large building the HVAC component that can affect the character of the architectural expression or of architectural space is
A. the cooling tower(s)
B. the mechanical floor
C. the supply and return air ducts
D. all of the above
6. An 'intelligent' building features
A. high-tech, integrated control systems
B. appropriate response to site and climate conditions
C. design for optimal acoustic, spatial, and thermal quality
D. all of the above
7. Japanese researchers have determined that the most cost effective plan organization for heating and cooling a high-rise building is
A. central core
B. east and west end cores
C. north side core
D. no core
8. A delightfully well-daylighted space demonstrates the designer's mastery of
A. senders
B. receivers
C. interveners
D. all of the above
9. According to Weber's Law, if a spotlight that effectively lighted an object with 120 fc in a room with an ambient lighting level of 50 fc, in room with an ambient lighting level of 120 fc the same effect could be attained with a spotlight that delivers
A. 120 fc
B. 190 fc
C. 288 fc
D. 500 fc
10. If you used subjective criteria to help choose an electric lighting scheme, you would consider
A. the frequency and wavelength of the light
B. the lamp's color temperature
C. the foot lamberts of surface luminance
D. the contrast ratio of adjacent areas
11. SOM's daylighted United Gulf Bank of Bahrain uses vertical fins of clear, green glass as shading devices. This is effective because the green glass absorbs much infrared radiation and is
A. a specular transmitter of visible light
B. a diffuse transmitter of visible light
C. a specular reflector of visible light
D. a diffuse reflector of visible light
12. A one candle power source will illuminate a four square foot surface that is two feet away with
A. 4 fc
B. 2 fc
C. 1 fc
D. 0.25 fc
13. A medium warm grey wall that has a reflectivity of 0.37 and is illuminated to 45 fc will have a luminance of
A. 45 fc
B. 45 fl
C. 17 fc
D. 17fl
14. The work plane in Richard Meier's all-white, downtown Manhatten office is likely to be illuminated by which unwanted daylight component?
A. the sun component
B. the sky component
C. the exterior reflected component
D. the interior reflected component
15. In a successfully daylighted building the primary source of light is
A. the sun
B. the sky
C. the exterior (adjacent buildings and light shelves)
D. the interior (high IRC)
16. The type of sky that is characteristically brighter at the horizon than at the zenith is
A. clear
B. partly cloudy
C. overcast
D. none of the above
17. Boise's Amtrack station has a high, narrow waiting room with small windows near the ceiling. This is prototypical of good daylight design for
A. hot, clear sky climates
B. temperate climates
C. mild, overcast climates
D. cold weather climates
18. The primary reason for using windows in adjacent surfaces in a daylighting scheme is to
A. allow more light into the space
B. illuminate the window walls to reduce glare
C. allow for cross-ventillation
D. avoid too much sun from any one direction
19. The ceiling height in offices in Michael Grave's Portland Building is 10 feet. The 3' x 3' windows have a head height of 6 feet. It is reasonable to expect that the offices' daylighted zone is
A. 20' deep
B. 12' deep
C. 10' deep
D. 6' deep
20. Skylights in small rooms without excessive thermal mass should have
A. deep lightwells
B. ventillation
C. diffusing mechanisms
D. all of the above
21. The daylight levels on a cloudy day for the A&A seminar/critique room (in the dean's office building) can be accurately predicted by
A. the graphic daylight design method (GDDM)
B. a physical model
C. the Superlite computer program
D. all of the above
22. If you wanted to evaluate the beauty and the effectiveness of Corbu's daylighting scheme at Notre Dame du Haut at Ronchamp, you would use
A. the graphic daylight design method (GDDM)
B. a physical model
C. the Superlite computer program
D. all of the above
23. The mirror-box artificial sky at the Seattle Lighting Design Lab simulates
A. a clear sky
B. a clear sky without the sun
C. an overcast sky
D. a non-specific reference sky
24. If you were to choose an electric lamp for high efficacy alone, you'd choose
A. incandescent
B. fluorescent
C. metal halide
D. low pressure sodium
25. Economic, energy-saving, dimmable fluorescent lamps that provide the best color rendering feature
A. electronic ballasts
B. tri-phosphors
C. slim T-8 tubes
D. all of the above
26. Most of the energy consumed by a HID lamp
A. is converted to waste heat
B. is used to run the ballast
C. is converted to visible light
D. is converted to ultra-violet light
27. Glare on computer screens can be avoided by using
A. parabolic louvre, direct fixtures
B. direct/indirect fixtures in ceiling coffers
C. task lighting without ambient lighting
D. none of the above
28. Recommended illumination levels for commercial buildings in the United States have decreased in the last 20 years because
A. lighting has been linked to thermal energy regulations
B. research has found that lower levels are acceptable
C. lighting equipment has improved
D. lamp efficacy is greater
29. For a building that is designed to be daylighted and has a dimmed electric lighting system that has photocell control which responds to the daylight level, the fixture strategy that will result in the greatest user satisfaction is
A. direct
B. diffuse
C. direct/indirect
D. indirect
30. In a space such as UCC 107 that is designed for uniform ambient light from evenly spaced luminaires, the illumination of a workplane 8' below the lamps (at the back of the room) should be
A. four times as intense as at 16' below the lamps (at the front of the room)
B. twice as intense as at 16' below the lamps (at the front of the room)
C. equally as intense as at 16' below the lamps (at the front of the room)
D. one half as intense as at 16' below the lamps (at the front of the room)