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EndsemMay 20252019 patternTE Electrical

Control System Engineering 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 Control System Engineering questions
Subject code
303150
Pattern
2019 pattern
Exam
Endsem
Session
May 2025
Max. marks
70
Time
2½ Hours
Semester
VI
Paper code
[6403]-70

Printed for: T.E. (Electrical Engineering)

Instructions to the candidates

  1. Answer Q.1 or Q.2, Q.3 or Q.4, Q5 or Q6, Q7or Q8.
  2. Use of electronic calculator is permitted.
  3. Assume suitable data, if necessary.

Questions

  1. Q1

    1. a)

      Explain any four rules for construction of root locus.

      Also asked:Nov 2025 ·May 2024 ·May 2023

      [8]
    2. b)

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

      [10]

  2. Q2

    1. a)

      Explain Routh ’ s Hurwitz criterion for stability. Explain special cases of Routh ’ s criterion.

      Also asked:May 2024 ·Nov 2023 ·May 2023

      [8]
    2. b)

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

      [10]

  3. Q3

    1. a)

      Explain correlation between frequency domain and time domain.

      Also asked:Nov 2023

      [7]
    2. b)

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

      [10]

  4. Q4

    1. a)

      Explain Nyquist stability criterion, general nyquist contour for system with pole at origin.

      [7]
    2. b)

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

      [10]

  5. Q5

    1. a)

      Sketch bode diagram showing GM, PM for i) stable system ii) unstable system iii) marginally stable system.

      Also asked:Nov 2023

      [6]
    2. b)

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

      [12]

  6. Q6

    1. a)

      Explain terms gain cross over frequency, phase cross over frequency, gain margin and phase margin in Bode plot.

      Also asked:May 2024 ·Nov 2023 ·May 2023

      [6]
    2. b)

      Draw bode plot for a unity feedback system with G(s) given as. Also find GM,PM and comment on stability of system 20(s+5) G(s) s(s 10)   .

      [12]

  7. Q7

    1. a)

      Derive transfer function of armature controlled DC servo motor.

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

      [8]
    2. b)

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

      [9]

  8. Q8

    1. a)

      Derive transfer function of Lead network, its pole zero plot and key features.

      [8]
    2. b)

      Explain P, PI, PID controller with reference to their expression, block diagram, advantages and shortcomings. 

      [9]