30 Multiple Choice Questions
1. A radiant slab provides comfort during the heating season by
A. creating a pool of warm air at foot level
B. circulating boiling water through PVC pipes
C. maintaining a surface temperature a little above "room temperature"
D. all of the above
2. In a single family residence a forced air heating system can be effective because it can
A. provide central control of air quality
B. provide conditioned air to only the spaces being used
C. incorporate a highly efficient furnace or a heat pump
D. all of the above
3. To provide appropriate heat delivery to all rooms of a residence, the ducts of a forced air system should
A. be equal size for each room
B. be located above each window
C. be reduced in size after each supply register
D. all of the above
4. The source of noise in the ductwork of an HVAC system is
A. vibration from the blower
B. air movement in the ducts
C. expansion and contraction of the metal work
D. all of the above
5. The all-air HVAC system most appropriate for a building like Corbu’s Notre Dame du Haut at Ronchamps is
A. variable air volume (VAV)
B. single duct reheat
C. direct expansion (DX)
D. none of the above
6. In order to save energy while controlling air temperature and humidity with an all-air HVAC system, the system should include
A. an air-to-water heat pump
B. an energy wheel
C. an air-to-air heat exchanger
D. an economizer
7. A high-rise office building in a hot humid climate (like Miami’s) is a good candidate for
A. a variable air volume system (VAV)
B. a dual duct system
C. a 3-pipe system
D. all of the above
8. A building that demonstrates strong integration among HVAC, structure, and design parti is
A. Richard Meier’s High Museum in Atlanta
B. Mies van der Rohe’s Seagram Building
C. Lou Kahn’s Richards Medical Lab
D. all of the above
9. A mid-tower mechanical floor in a high rise building can be structurally integrated by
A. including a cooling tower
B. providing lateral bracing at the curtain wall
C. incorporating fan coil units
D. all of the above
10. Intelligent building design
A. incorporates recent technologies such as environmental management systems
B. provides appropriate physical and environmental settings for new technologies
C. addresses crucial environmental conditions such as thermal and acoustic quality
D. all of the above
11. Architectural lighting, such as ambient daylighting and indirect lighting, illuminates the work plane through
A. senders
B. interveners
C. receivers
D. none of the above
12. Given a display highlighted by a 50 watt incandescent lamp in a room with an ambient light level of 30 footcandles. According to Weber’s Law, when the ambient light level is raised to 60 footcandles, to produce a display lighting that you’d sense as having equal effect as before, the highlighting incandescent lamp wattage should be raised to
A. 52 watts
B. 100 watts
C. 200 watts
D. 400 watts
13. Perception of objects under light of a specific color temperature is dependent on
A. the surface luminance of the object
B. the size of the space
C. the frequency of the light waves
D. the CRI of the lamp
14. In a darkened room you will easily detect
A. color
B. motion
C. detail
D. none of the above
15. A four square foot surface located two feet from a two candlepower light source is illuminated to
A. 2 footcandles
B. 4 footcandles
C. 0.5 footcandles
D. 0.25 footcandles
16. A skylight with a deep lightwell and diffusing baffles installed in an art gallery should be designed to exclude
A. the sun component
B. the sky component
C. the externally reflected component
D. none of the above
17. A daylighted building in an arid climate should take advantage of the tendency of
A. clear skies to have a bright zenith
B. cloudy skies to have a bright zenith
C. clear skies to have a bright horizon
D. cloudy skies to have a bright horizon
18. Installing a light shelf/horizontal shading device that extends several feet inside and several feet outside a south-facing curtain wall tends to
A. brighten the area near the window
B. brighten the area beyond the 2H rule boundary
C. extend the daylighted area to 6H
D. brighten the entire space
19. Glare can be reduced or eliminated in daylighted spaces by
A. using highly reflective, diffusing interior surfaces
B. using splayed surrounds for apertures
C. having apertures in more than one room surface
D. all of the above
20. The kind of daylighted space in which a little sunlight would be most acceptable is
A. an atrium
B. an office
C. a photography gallery
D. none of the above
21. In order to save energy for lighting and cooling, a daylighted open office space should have
A. occupancy sensor-controlled electric lighting
B. photosensor-controlled electric lighting
C. only north-facing windows
D. all of the above
22. The computer-based daylight prediction methods such as Micro-Lumen and Lightscape
A. give illuminance or luminance values for room surfaces and work planes
B. give renderings of light distribution on the room surfaces
C. can also predict lighting effects of electric lighting
D. all of the above
23. The Graphic Daylight Design Method (GDDM) can predict
A. daylight factors for clear days
B. daylight factors for rectilinear rooms only
C. daylight contributions from windows only
D. none of the above
24. A scale model can accurately depict
A. the objective and subjective interactions of light and space
B. the objective interactions of light and space
C. the subjective interactions of light and space
D. none of the above
25. The longest life lamp you can buy is
A. an incandescent lamp
B. a cool white fluorescent lamp
C. a low pressure sodium lamp
D. an induction lamp
26. The way to reduce the initial cost of a tri-phosphor fluorescent lamp for a standard fixture is to specify
A. a 34-watt lamp
B. a lamp with an electronic ballast
C. a T-8 lamp
D. all of the above
27. Using electronic ballasts for fluorescent lamps has the advantage of
A. eliminating visible flicker
B. allowing continuous dimming
C. eliminating ballast noise
D. all of the above
28. The HID lamp with the most acceptable color rendering ability is
A. metal halide
B. low pressure sodium
C. high pressure sodium
D. mercury
29. Glare on computer screens can most easily be eliminated by a system that uses
A. direct fixtures fitted with parabolic louver diffusers
B. indirect fixtures that evenly wash the entire ceiling
C. both of the above
D. none of the above
30. To avoid glare in a space illuminated by general diffuse fixtures you should
A. use evenly spaced fixtures
B. provide a uniformly high IRC
C. avoid daylight penetration
D. none of the above