EE Unit 5 Notes AKTU (BEE101)

AKTU · BTECH · Semester 1, 2 · Fundamentals of Electrical Engineering · Unit 5 · Notes

AKTU Fundamentals of Electrical Engineering (BEE101) Unit 5 notes for B.Tech Semester 1/2 – Electrical Installations. Topics: Protective Switching Devices…

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Unit 5: Electrical Installations – AKTU syllabus topics

  • Protective Switching Devices: SFU MCB ELCB MCCB ACB
  • Wires Cables and Bus-bars
  • Earthing and Lightning Protection: Fundamentals of Earthing, Lightning Protection Methods
  • Types of Batteries

Most asked AKTU PYQ questions from Unit 5

  1. Q2e. Draw and explain the characteristics of a battery. Calculate the backup of a battery of 150AH connected to load of 150 watts, and the supply voltage is 12V. (10 marks, 2021-22)
  2. Q7b. Explain the construction, rating, specific applications of at least two types of wires and cables used in electrical installations. (10 marks, 2021-22)
  3. Q1i. What are the common problems that occur during electrical installations? (2 marks, 2021-22)
  4. Q1j. Write any two battery characteristics. Also, define any one. (2 marks, 2021-22)
  5. Q7b. (i) Write short notes on MCB and MCCB. (ii) Write short notes on characteristics of batteries. (10 marks, 2021-22)
  6. Q7a. How do you calculate energy consumption per kWh? Calculate the electricity bill amount for a leap year if the following devices are used: (A) 3 Bulbs of 40W for 6 hours/day. (B) 4 Tube lights of 50W for 8 hours/day. Rate of electricity = Rs. 7.50 per unit. (10 marks, 2021-22)
  7. Q2e. Describe the importance of earthing in ensuring electrical safety and protecting equipment. (7 marks, 2025-26)
  8. Q7a. How does a fuse protect an electrical circuit? Also discuss the working of following: (i) ELCB (ii) MCCB (7 marks, 2025-26)
  9. Q7b. (i) What is the fundamental difference between a wire and a cable? What is Bus-bar? (ii) What is a battery's fundamental principle? Also specific types of battery types. (7 marks, 2025-26)
  10. Q7a. Describe the working principle of an MCB along with the necessary circuit diagrams? (7 marks, 2024-25)

AKTU paper codes: BEE101, BEE201, KEE101, KEE201

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