Q.1
14 Marks(a)
Define:(1)Plant(2)System (3)Disturbances
(b)
Compare the open and closed loop systems giving examples.
(c)
Explain the State space analysis and its advantages.
Gujarat Technological UniversitySummer 2025 examination
GTU 2151908 Control Engineering Summer 2025 Question Paper & PDF
B.E. · Mechanical Engineering · Semester 5 · Subject code 2151908
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 2:30 PM – 5:00 PM
- Questions
- 5 with internal choice
No solutions on this paper yetNeed them for your exam? Ask once. Papers that students ask for are solved first, and we aim to add them within 24 hours.
Noted. This paper is in our queue now. Check back tomorrow.
We could not record that here. Email the paper name to hirenjsca@gmail.com and we will add it.
Q.2
14 Marks(a)
Define the resistance and capacitance of the liquid level systems.
(b)
Explain mechanics of translation motion with suitable example.
(c)
What is Block Diagram? Explain Block diagram reduction rules briefly.
OR
(c)
Obtain the transfer function for the signal flow network shown in Fig. I using Mason’s Gain formula.
Q.3
14 Marks(a)
Define State space, state variables and state vectors.
(b)
Advantage and Disadvantages of state space analysis technique.
(c)
Explain Force-Voltage and Force-Current analogy for Mechanical systems.
OR
(a)
Explain two position controllers.
(b)
Differentiate the pneumatic systems and Hydraulic systems.
(c)
Obtain the transfer function for pneumatic PI controller with neat sketch.
Q.4
14 Marks(a)
Define:
1)rise time
2)settling time
3)steady state error
(b)
Plot the system response of the first order unity feedback system for unit impulse input.
(c)
Write the following terms with respect to root locus.
1)Centroid
2)asymptotes
3)breakaway points
4)angle of arrival and angle of departure.
OR
(a)
Explain absolute stability and relative stability
(b)
Comparison between hydraulic control system and pneumatic control system.
(c)
Write general method steps for drawing root locus with suitable example.
Q.5
14 Marks(a)
Difference between transient and frequency response analysis
(b)
State the advantages of frequency response analysis
(c)
Explain working of Proportional-Derivative (PD) hydraulic controller with a neat diagram.
OR
(a)
Enlist the sources of hydraulic power.
(b)
Explain the hydraulic control circuit with basic elements and neat sketch.
(c)
Discuss the hydraulic PI controller with neat sketch and necessary transfer function. Figure I Signal Flow Graph
More Control Engineering papers
Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.
Other Semester 5 subjects
BE Mechanical
Preparing with friends?
Send this paper to your class group. Every question has its own link.
About this paper
Official Gujarat Technological University (GTU) examination paper for Control Engineering (Summer 2025, B.E. · Mechanical Engineering, Sem 5). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.