Skip to content
EndsemNov 20252019 patternBE Electrical

Illumination Engineering SPPU Endsem Question Paper Nov 2025

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated Illumination Engineering questions
Subject code
403151B
Pattern
2019 pattern
Exam
Endsem
Session
Nov 2025
Max. marks
70
Time
2½ Hours
Semester
VIII
Paper code
[6584]-111

Printed for: B.E. (Electrical Engineering)

Instructions to the candidates

  1. Solve Q1 or Q2, Q3 or Q4, Q5 or Q6, Q7 or Q8.
  2. Figures to the right side indicate full marks.
  3. Neat diagrams must be drawn wherever necessary.
  4. Assume suitable additional data, jf necessary.
  5. Use of non-programinable calculator is allowed.

Questions

  1. Q1

    1. a)

      What do you mean by coefficient of utilization?

      [4]
    2. b)

      What are the cavities to be considered in Indoor lighting design? Define and explain each of them. Also draw a cross section of a room showing these cavities.

      Also asked:Nov 2023 ·May 2023

      [6]
    3. c)

      Explain the various factors to be considered for design of indoor illumination scheme

      Also asked:May 2025 ·Nov 2024 ·Nov 2023 ·May 2023

      [8]

  2. Q2

    1. a)

      What is Light loss factor? State its types and explain.

      Also asked:May 2024 ·Nov 2023

      [4]
    2. b)

      What is Polar Curve? Describe its types. State its significance.

      Also asked:Nov 2024 ·May 2024 ·Nov 2023

      [6]
    3. c)

      What are different components of flux are considered in zonal cavity method? Explain each of them

      Also asked:Nov 2024 ·May 2024 ·Nov 2023 ·May 2023

      [8]

  3. Q3

    1. a)

      Define following terms i) Reflection factor ii) Lumen

      Also asked:Nov 2023

      [3]
    2. b)

      State and explain the advantages of good illumination schemes.

      Also asked:May 2025 ·Nov 2024 ·May 2024 ·Nov 2023 ·May 2023

      [6]
    3. c)

      Explain the procedure for design of illumination for an aquarium and swimming pool. 2

      Also asked:Nov 2023

      [8]

  4. Q4

    1. a)

      Define following terms i) Depreciation factor ii) Waste light factor

      Also asked:Nov 2023

      [3]
    2. b)

      Explain briefly with respect to residential lighting the following: i) General lighting ii) Decorative lighting iii) Spot / Focus lighting

      Also asked:Nov 2023

      [6]
    3. c)

      Explain illumination scheme for health care centres & hospitals

      Also asked:Nov 2024

      [8]

  5. Q5

    1. a)

      Which lighting is used for Stadium and sports complex

      [4]
    2. b)

      Explain the illumination design for advertisement/ hoardings.

      Also asked:Nov 2023

      [6]
    3. c)

      What are the important features needed in street light luminaires?

      Also asked:May 2025

      [8]

  6. Q6

    1. a)

      What is glare in street lighting? Explain each in brief

      Also asked:May 2025

      [4]
    2. b)

      Explain following terms with respect to road lighting — i) Visual performance ii) Visual comfort iii) Glare

      Also asked:Nov 2023 ·May 2023

      [6]
    3. c)

      Explain the various Road classifications according to BIS.

      Also asked:Nov 2023

      [8]

  7. Q7

    1. a)

      Compare intelligent lighting for domestic and commercial use.

      Also asked:May 2025 ·Nov 2023 ·May 2023

      [3]
    2. b)

      Explain natural light conduiting system (any two)

      Also asked:Nov 2024 ·Nov 2023 ·May 2023

      [6]
    3. c)

      Explain the working principle and construction of OLED. Support the answer with a diagram.

      Also asked:Nov 2023

      [8]

  8. Q8

    1. a)

      What are intelligent LED Fixtures? Explain.

      Also asked:Nov 2024 ·Nov 2023

      [3]
    2. b)

      Explain working of Laser arrangement with suitable diagram. State types of LASERs.

      Also asked:Nov 2024 ·Nov 2023

      [6]
    3. c)

      Explain construction and working of Fiber optic cables. State and explain its types. (any two). Support your answer with diagram. ♦♦♦

      Also asked:Nov 2024 ·Nov 2023

      [8]