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EndsemMay 20252019 patternBE Electrical

PLC & SCADA SPPU Endsem Question Paper May 2025

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

Open the PDFMost repeated PLC & SCADA questions
Subject code
403143A
Pattern
2019 pattern
Exam
Endsem
Session
May 2025
Max. marks
70
Time
2½ Hours
Semester
VII
Paper code
[6404]-106

Printed for: B.E. (Electrical Engineering)

Instructions to the candidates

  1. Attempt 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 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)

      Explain Master control relay (MCR) Instruction with diagram?

      Also asked:Nov 2025

      [4]
    2. b)

      Explain UP counters in details along with its ladder diagram?

      Also asked:Nov 2025

      [6]
    3. c)

      Draw and explain the ladder diagram for car parking.

      Also asked:Nov 2024

      [8]

  2. Q2

    1. a)

      Explain rule for proper construction of PLC ladder diagram?

      Also asked:Nov 2025 ·Nov 2023 ·Nov 2022

      [4]
    2. b)

      Explain latching (OTL) and unlatching (OTU) instruction in detail with the example.

      Also asked:Nov 2024

      [6]
    3. c)

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

      [8]

  3. Q3

    1. a)

      Draw and Explain the block diagram for PID interfacing with PLC.

      [3]
    2. b)

      Explain “Adjust and Observe” method of PID Tuning.

      Also asked:May 2024 ·Nov 2022

      [6]
    3. c)

      Explain Variable speed AC Motor Drive.

      [8]

  4. Q4

    1. a)

      Draw and Explain PID controller module.

      [3]
    2. b)

      Draw and Explain AC Motor Starter.

      Also asked:May 2023

      [6]
    3. c)

      Explain the temperature control using PLC with the help of block diagram. 2

      Also asked:Nov 2024 ·Nov 2022

      [8]

  5. Q5

    1. a)

      Explain the desirable properties of SCADA.

      Also asked:Nov 2025 ·Nov 2024 ·May 2023

      [4]
    2. b)

      Explain SCADA generations in detail.

      [6]
    3. c)

      Explain SCADA system implemented for Petroleum Refining Process.

      Also asked:Nov 2023 ·May 2023

      [8]

  6. Q6

    1. a)

      Explain advantages and Disadvantages of SCADA.

      Also asked:Nov 2025 ·Nov 2024 ·Nov 2023

      [4]
    2. b)

      Draw and Explain typical SCADA system architecture.

      [6]
    3. c)

      Explain application of SCADA system in Automatic Substation Control.

      Also asked:Nov 2025 ·Nov 2024 ·Nov 2023 ·May 2023 ·Nov 2022

      [8]

  7. Q7

    1. a)

      Explain Applications of DCS.

      [3]
    2. b)

      Differentiate between DCS & PLC.

      [6]
    3. c)

      Explain Open System Interconnection (OSI) model in detail.

      Also asked:Nov 2024 ·Nov 2022

      [8]

  8. Q8

    1. a)

      Explain Advantages of DCS.

      [3]
    2. b)

      Explain DNP3 protocol.

      [6]
    3. c)

      Explain TCP/IP SCADA Protocols. 

      [8]