About Illumination

Following are some of the multiple choice questions on the Illumination with answers that will help the students in developing their knowledge.

Illumination MCQ

1. Round each number to the nearest 100. 609

  • 600
  • 700

2. Round each number to the nearest 10. 485

  • 480
  • 490

3. Round each number to the nearest 10. 614

  • 610
  • 620

4. Round each number to the nearest 10. 321

  • 320
  • 330

5. Round each number to the nearest 10. 572

  • 570
  • 580

6. Oscar went to the store and bought 11 Baby Ruths and 15 Butterfingers. How many candy bars did Oscar buy?

  • 26
  • 24

7. Round each number to the nearest 10. 54

  • 50
  • 60

8. Twin tube connection is used for

  • Avoid shadow
  • Avoid glare
  • Avoiding stroboscopic effect
  • Reduce electrical energy

9. Round each number to the nearest 10. 95

  • 90
  • 100

10. In electromagnetic spectrum the visible light region lies between

  • 380 nm to 800 nm
  • 50 nm to 100 nm
  • 800 nm to 1000 nm
  • below 50 nm

11. Round each number to the nearest 10. 7

  • 0
  • 10

12. Human eye is most sensitive to ___ with same intensiy

  • Violet region
  • Green region
  • Reg region
  • Equal sensitivity in all light region

13. Round each number to the nearest 10. 236

  • 230
  • 240

14. Color temperature scale is more for

  • Day light fluorescent lamp
  • Gas filled filament lamp
  • White fluorescent lamp
  • Candle flame

15. Round each number to the nearest 10. 465

  • 460
  • 470

16. Direct lighting provide maximum light flux

  • Equal to upward and downwards
  • No such restriction
  • downwards
  • Upwards

17. Charles went ice skating and paid $12 to rent skates. He also rented knee pads and a helmet for $17. How much money did Charles spend ice skating?

  • $31
  • $29

18. Round each number to the nearest 100. 672

  • 600
  • 700

19. Define disability glare.

20. Round each number to the nearest 100. 250

  • 200
  • 300

21. VCP in connection with glare stands for

  • Visual comfort probability
  • Visual capture probability
  • Very comfortable position
  • Visually correlated probability

22. Round each number to the nearest 100. 378

  • 300
  • 400

23. UGR is stands for

  • Unified Glare Rating

24. Which UGR is most comfortable

  • 40
  • 25
  • 16
  • 13

25. Round each number to the nearest 100. 129

  • 100
  • 200

26. Round each number to the nearest 100. 67

  • 0
  • 100

27. MHCP is

  • Mean Hemispherical candle power
  • Mean Horizontal candle power
  • Mean horizontal candle point
  • None of the above

28. Dolores saw 22 boa constrictors and 25 rattlesnakes at the San Diego Zoo. How many snakes did she see in all?

  • 47
  • 45

29. A fan hanged below the LED light at a Juice store causes irritation to occupants there, technically it is known as

  • Glare
  • Stroboscopic effect
  • Hard shadow
  • Disability glare

30. Round each number to the nearest 100. 443

  • 400
  • 500

31. Round each number to the nearest 100.956

  • 900
  • 1,000

32. Textiles shops uses slightly different colored lamps in there show rooms

  • To please customer
  • To increase glare
  • To avoid glare
  • To improve color rendering

33. Round each number to the nearest 100. 349

  • 300
  • 400

34. One candela is 1/___________ of luminous intensity per centimeter square of black body radiating at _______________ Kelvin temperature

  • 60, 2049

35. Reduction factor is

  • MSCP/MHCP
  • MHCP/MSCP
  • MHSCP/MSCP
  • MSCP/MHSCP

36. Lamp lumen maintenance factor depends on

  • Cleanness of lamp
  • Hours of usage
  • Aging of lamp
  • All the above

37. Room maintenance factor is the ratio of

  • Illuminance at end of maintenance period to initial illuminance
  • initial illuminance to Illuminance at end of maintenance period
  • Illuminance after maintenance period to initial illuminance
  • Illuminance at end of few lamp failure to initial illuminance

38. Room index is

39. Average illuminance over a working plane is given by ___(Assume normal notations)

  •  E = N(n.ϕ).MF.UFAE\ =\ \frac{N\left(n.\phi\right).MF.UF}{A}E = AN(n.ϕ).MF.UF​  
  •  E=N.(nϕ).MFA.UFE=\frac{N.\left(n\phi\right).MF}{A.UF}E=A.UFN.(nϕ).MF​  
  •  E=N(n.ϕ).UFA.MFE=\frac{N\left(n.\phi\right).UF}{A.MF}E=A.MFN(n.ϕ).UF​  
  •  E=n.ϕ.MF.UFNAE=\frac{n.\phi.MF.UF}{NA}E=NAn.ϕ.MF.UF​  

40. Type of lighting fixture given in pic is

  • Wall Sconge
  • Cove lighting
  • Recessed
  • Pendant

41. Halo System   HTH_THT​  is a type of

  • Recessed fixture
  • Track lighting fixture
  • Bollard fixture
  • Under cabin

42. ISI Code for lamp safety requirement is

  • IS 10322
  • IS 10632
  • IS 749
  • IS 3043

43. Which is correct in this diagram

  • 1-Illuminance, 2- Lumnous Flux, 3- Luminosity, 4 - Luminous intensity
  • 1- Luminous flux, 2 - Luminous intensity, 3 - Illuminance, 4 - Luminosity
  • 1- Luminous flux, 2- Illuminance, 3 - Luminosity, 4 - Luminous intensity
  • 1- Luminous flux, 2 - Luminosity, 3- Illuminance, 4- Luminous intensity

44. Which issue is shown in the fig.

  • Shadow
  • Colour rendering
  • Glare
  • None of the above

45. Define DLOR of lamp

46. Reflection, Refraction and Diffusion comes under ____ characteristics of luminaire

  • Electrical
  • Optical
  • Mechanical
  • Control

47. KTU Course Code for illumination Technology is

  • EE369
  • EE361
  • EE366
  • EE365

48. Type of lighting scheme shown is

  • Direct
  • Indirect
  • Semi indirect
  • Semi direct

49. SHR is

  • Side to Horizontal ratio
  • Space to Horizontal ratio
  • Side to height ratio
  • Space to Height ratio

50. Diversity in interior lighting is the ratio of

  • Maximum to minimum illuminance
  • Minimum to maximum illuminance
  • Average to maximum illuminance
  • Average to minimum illuminance

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