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EndsemMay 20242019 patternBE Electrical

Illumination Engineering SPPU Endsem Question Paper May 2024

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
May 2024
Max. marks
70
Time
2½ Hours
Semester
VIII
Paper code
[6263]-121

Printed for: B.E. (Electrical Engineering)

Instructions to the candidates

  1. Solve Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.
  2. Figures to the right side indicate full marks.
  3. Neat diagrams must be drawn wherever necessary.
  4. Assume Suitable additional data if necessary.
  5. Use of non-programmable calculator is allowed.

Questions

  1. Q1

    1. a)

      What is Polar Curve? Describe its types.

      Also asked:Nov 2025 ·Nov 2024 ·Nov 2023

      [4]
    2. b)

      State the feature of good illumination scheme.

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

      [6]
    3. c)

      What different components of flux are considered in zonal cavity method? Explain in detail.

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

      [8]

  2. Q2

    1. a)

      Write short notes on cavity ratio.

      [4]
    2. b)

      What are the different Lighting systems for Residential illumination. Explain in detail.

      [6]
    3. c)

      Explain zonal cavity method for indoor lighting design.

      [8]

  3. Q3

    1. a)

      Define following terms i) Beam factor ii) Maintenance factor iii) Lux

      [3]
    2. b)

      Write short note on LFF (Light Loss Factor).

      Also asked:Nov 2025 ·Nov 2023

      [6]
    3. c)

      A light source of 1000 watts having MSCP =2500 is suspended 3 meters above the working plane. Find the following: i) Illumination in Lux directly below the lamp on working plane. ii) Lamp efficiency in Lumens/watt. iii) Illumination 3meter away on the horizontal plane from vertically below the lamp.

      [8]

  4. Q4

    1. a)

      Define following terms i) Reflection factor ii) Utilisation factor iii) Glare

      [3]
    2. b)

      Find MSCP and Luminous intensity in lumens per watt and MSCP per watt of a 250 volts lamp which takes a current of 0.4 Amp and has total flux of 1500 Lumens.

      [6]
    3. c)

      Explain in details the factors to be consider for design of illumination scheme for Educational installation.

      [8]

  5. Q5

    1. a)

      State and Explain Road classification as per BIS.

      [4]
    2. b)

      Draw and explain the constructional part of LED.

      [6]
    3. c)

      Explain in details the factors to be consider for design of illumination scheme for indoor installation -Hospital.

      [8]

  6. Q6

    1. a)

      Explain special purpose lighting scheme for swimming pool lighting.

      Also asked:Nov 2024

      [4]
    2. b)

      Explain in details the factors to be consider for design of illumination scheme for outdoor lighting schemes.

      [6]
    3. c)

      Explain in details the factors to be consider for design of illumination scheme for Theatre installation.

      [8]

  7. Q7

    1. a)

      Write short note on street lighting.

      [3]
    2. b)

      With suitable diagram explain any two methods of natural light conducting.

      [6]
    3. c)

      Explain working of OLED with suitable diagram and state its advantage.

      [8]

  8. Q8

    1. a)

      Compare between LED and LASER.

      [3]
    2. b)

      With suitable diagram explain different fibre optic guide.

      [6]
    3. c)

      This part has equations that don’t show as text. Open the PDF to read it.

      [8]