Building Construction (Lighting Systems - Fixtures)

23 Questions | Total Attempts: 47

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Building Construction (Lighting Systems - Fixtures)

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Questions and Answers
  • 1. 
    Illustrate the following (answers found iint pace 263 of Building Construction): 1. Valance lighting 2. Cove Lighting 3. Cornice Lighting
  • 2. 
    Other name for lighting fixtures
  • 3. 
    90% to 100% of the light output is directed towards the ceiling. 
  • 4. 
    60% to 90% of the light output is directed upwards; 40% to 10% downwards. 
  • 5. 
    Provides approximately equal distribution of light upwards and downwards
  • 6. 
    60-90% of light downwards; 40-10% upwards
  • 7. 
    90-100% of the light output is directed downwards.
  • 8. 
    Pools of light mingled with areas of shadows. Opposite of uniform illumination. Employs lamps at definite points where light is specially needed. 
  • 9. 
    Strives for uniform intensity of light over an entire area. 
  • 10. 
    Combined local and general lighting
  • 11. 
    Effect of brightness in the field of vision which causes annoyance or discomfort
  • 12. 
    Loss of light when light rays strike or traverses any medium.
  • 13. 
    Passage of light through a medium when light falls upon transparent material. 
  • 14. 
    Directional lighting to emphasize a space or an object
  • 15. 
    Beam of light is reflected diffusely, where the ray is scatter in all directions after striking a rough or matte surface. 
  • 16. 
    A term applied to a can type of receessed incandescent downlight.
  • 17. 
    Recessed or semi recessed lighting unit with a rotating spherical element. 
  • 18. 
    Tubular fluorescent lamp with a disc base at each end
  • 19. 
    False ceiling of diffusing material with light sources mounted above
  • 20. 
    Beam of light is specularly reflected when a light ray striking a shiny or glossy surface at an angle of incidence is reflected as the same beam with equal angle of reflection. 
  • 21. 
    Electric component which consists of conducting plates insulated from each other by a layer of dielectric material. 
  • 22. 
    Quantitative measure of the electric energy storage capability of a capacitor
  • 23. 
    Unit of measurements of capacitance