30 Multiple Choice Questions

1. The noise from a forced-air heating system can be mitigated by

A. using larger supply ducts
B. using flexible connections between the blower and the ductwork
C. placing sound baffles in the ductwork
D. all of the above

2. In a single family residence with a forced air heating system, return air should come from

A. all conditioned spaces
B. all conditioned spaces except the bathroom
C. all conditioned spaces except the bathroom and kitchen
D. the plenum space

3. Radiant slabs warmed by heated air were pioneered by

A. the ancient Romans
B. the ancient Greeks and Koreans
C. Frank Lloyd Wright
D. solar energy advocates in the 1970s

4. An advantage of modern, slab-based radiant heating and cooling systems is

A. central control of air quality
B. silent delivery of thermal energy
C. "warm feet, cool head"
D. fast thermal response time

5. In a hot humid climate an energy wheel could easily be a valuable energy-saving addition to a

A. variable air volume (VAV) system
B. three-pipe system
C. four-pipe system
D. none of the above

6. The most economical HVAC system for a "big box" retail store is

A. an air-to-water heat pump
B. a direct expansion system
C. a multi-sense system
D. a single duct variable volume (VAV) system

7. The high speed, dual duct, air and water HVAC system

A. offers improvement over the four-pipe system because it provides central control of air quality
B. offers improvement over the dual duct all air system because it reduces supply and return duct sizes
C. offers no improvement over the four-pipe system because it requires more architectural space for the distribution system and offers no improvement over the dual duct, all air system because it is noisier
D. all of the above

8. The best choice of an HVAC system for a medium to large architecture school located in Miami is

A. multi-sense
B. VAV
C. dual duct
D. three-pipe

9. The mechanical systems component that can be integrated into a fountain is

A. the chiller
B. the cooling tower
C. the ground-source heat pump
D. all of the above

10. An intelligent building that stresses an integrated electric lighting—daylighting scheme would be best classified as taking the

A. American approach
B. Japanese approach
C. European or British approach
D. all of the above

11. Architectural lighting, such as daylighting and indirect lighting, illuminates the work plane through

A. senders
B. interveners
C. receivers
D. none of the above

12. If the illumination on a 50% reflective gray surface is 70 footcandles,

A. the surface luminance is 35 footlamberts
B. the surface luminance is 70 footlamberts
C. the surface luminance is 105 footlamberts
D. the surface luminance is 140 footlamberts

13. The sense of colors being rendered naturally depends on

A. adequate surface luminance
B. the color temperature of the light source
C. the wave length of the light source
D. a combination of the light source’s color temperature and its brightness

14. When you enter a dark theatre from a bright lobby it is difficult to see because

A. it takes several minutes for your cones to adapt to the low light level
B. it takes several minutes for your rods to adapt to the low light level
C. it takes several minutes for your mind to adapt to the low light level
D. all of the above

15. A four candela source provides about

A. 12.5 lumens
B. 4 footcandles
C. 50 lumens
D. 16 footcandles

16. To provide ambient light to a large public space, a daylighting designer would primarily take advantage of

A. the sun component
B. the sky component
C. the externally reflected component
D. all of the above

17. To provide task lighting to a desk surface, a daylighter would best use

A. a translucent window
B. a clear window
C. a translucent skylight
D. a clear skylight

18. According to Mary Guzowski good daylighting design is inherently linked to

A. enhanced performance on standardized tests by schoolchildren
B. better recall and reduced strategizing
C. sustainable architecture
D. all of the above

19. In a room with one window glare can be reduced by

A. using translucent glazing
B. using an external shading device with an internal light shelf
C. sloping the ceiling to reflect light back to the window wall
D. none of the above

20. In order to save energy and provide good ambient light a skylighting scheme for a library reading room should feature

A. lightwells deep enough to cut off direct sun penetration
B. at least double-paned glazing
C. a relatively high IRC
D. all of the above

21. Daylighting in a large atrium space should be designed to

A. provide task lighting
B. provide ambient lighting
C. avoid all sun penetration
D. all of the above

22. The advantage of computer-based daylight prediction method Micro-Lumen over Lightscape is

A. its ease and speed of use
B. its realistic rendering of light on the room surfaces
C. its ability to model complex spaces
D. its ability to calculate daylight factors

23. The Graphic Daylight Design Method (GDDM) can predict

A. daylight factors for any location on earth
B. daylight factors for rectilinear rooms only
C. daylight contributions from windows only
D. none of the above

24. To test the daylighting and sun penetration implications for a space with complex geometry and apertures with diverse orientations, the best prediction method to use early in the design process is

A. GDDM
B. Lumen-Micro
C. a physical model
D. Lightscape

25. Given an existing screw-in fixture, in order to save money and provide pleasing, high quality light you would replace the burned-out 100 watt incandescent lamp with

A. a 75-watt incandescent lamp
B. a 23-watt compact fluorescent lamp
C. a 23-watt, tri-phosphor compact fluorescent lamp
D. a 23-watt, electronic ballast-equipped, tri-phosphor compact fluorescent lamp

26. The best scheme for integrating ambient electric lighting with ambient daylighting is to

A. use direct fluorescent lighting
B. use direct/indirect fluorescent lighting
C. use indirect fluorescent lighting
D. use occupancy sensors

27. The most acceptable HID lighting for a high bay interior space is provided by

A. low pressure sodium lamps
B. metal halide lamps
C. mercury lamps
D. cool white fluorescent lamps

28. The point source calculation

A. can’t be used for light from a T-8 fluorescent lamp
B. underestimates the illumination in normal rooms
C. can’t be used to determine total illumination from several sources in the same room
D. all of the above

29. Ambient lighting from electric fixtures can be calculated using

A. the point source method
B. the line source method
C. the plane source method
D. the lumen or zonal cavity method

30. Seamless integration of electric light and daylight requires

A. indirect electric lighting
B. continuous dimming based on a photosensor control scheme
C. effective use of shading devices for windows and skylights
D. all of the above