Illumination Engineering SPPU Endsem Question Paper May 2023
All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.
- Subject code
- 403151B
- Pattern
- 2019 pattern
- Exam
- Endsem
- Session
- May 2023
- Max. marks
- 70
- Time
- 2½ Hours
- Semester
- VIII
- Paper code
- [6004]-521
Printed for: B.E. (Electrical Engineering)
Instructions to the candidates
- Solve Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6 and Q.7 or Q.8.
- Neat diagrams must be drawn wherever necessary.
- Figures to the right indicate full marks.
- Use of calculator is allowed.
- Assume Suitable data if necessary.
Questions
Q1
- a)[6]
Discuss the factors to be considered in indoor illumination scheme.
- b)[6]
Define and explain the following terms in accordance with illumination : i) Coefficient of utilization ii) Beam angle and field angle iii) Polar diagram
Also asked:May 2025
- c)[6]
What different components of flux are considered in zonal cavity method?
OR- a)
Q2
- a)[6]
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.
- b)[6]
What are the various factors on which un-recoverable losses depend? State and explain the factors.
- c)[6]
State the uses of polar diagrams.
- a)
Q3
ORQ4
- a)[7]
A room of size 15 x 6 m is to be illuminated by 20 lamps of 200 watts each. The MSCP (Mean Spherical candle power) of each lamp is 250. Take depreciation factor as 1.2 and utilization factor as 0.6. Find the average illumination produced on the floor.
- b)[10]
Elaborate and explain the steps involved in design of illumination scheme for educational institute.
- a)
Q5
ORQ6
- a)[10]
What are the different pole arrangements in street lighting? What are the factors affecting the selection of pole arrangement?
- b)[8]
What are the objectives of road lighting? State them.
- a)
Q7
ORQ8
- a)[5]
- b)[5]
State the advantages and disadvantages of OLED.
Also asked:May 2025
- c)[7]
Write a short note on LASERS.