Gujarat Technological UniversityWinter 2025 examination

GTU 3151913 Oil Hydraulics And Pneumatics Winter 2025 Question Paper & PDF

B.E. · Mechanical Engineering · Semester 5 · Subject code 3151913
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 10:30 AM – 1:00 PM
Questions
5 with internal choice
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Q.1

14 Marks
(a)
3 marks
Discuss the advantages and disadvantages of hydraulic systems.
(b)
4 marks

List the electric elements used in the hydraulic system with its use. pneumatic system.

(c)
7 marks

Draw the ISO/ANSI symbol of main components of a hydraulic system with its function.

Q.2

14 Marks
(a)
3 marks
Explain Brahma’s press principle with help of neat sketch
(b)
4 marks

Classify actuators. Explain working of double acting linear actuator with sketch.

(c)
7 marks

List the main functions of hydraulic fluid and explain the properties of hydraulic oil.

(c)
7 marks
Explain the working of by-pass type filter with its advantages.

Q.3

14 Marks
(a)
3 marks
Explain with neat sketch the working of pilot operated pressure relief valve.
(b)
4 marks

Explain with circuit diagram application of accumulator as a leakage compensator.

(c)
7 marks
Sketch and explain working of balanced vane pump.
(a)
3 marks
Explain 4/3 sliding spool directional control valve working.
(b)
4 marks
List the various functions of accumulators.
(c)
7 marks
Explain working of external gear pump with neat sketch.

Q.4

14 Marks
(a)
3 marks
Explain the cushioning of cylinders.
(b)
4 marks
Explain the working counter balance valve.
(c)
7 marks
Draw and explain the working of ‘Regenerative circuit’.
(a)
3 marks
Describe application and advantages of pneumatic systems.
(b)
4 marks
Sketch and explain shuttle valve construction and its working.
(c)
7 marks
Sketch & explain application of quick exhaust valve in pneumatics.

Q.5

14 Marks
(a)
3 marks
Describe screw compressor for pneumatic system.
(b)
4 marks
Write a brief note on Air Motors stating its classification and applications.
(c)
7 marks
Explain FRL unit for pneumatic system.
(a)
3 marks
State advantages and disadvantages of simulation.
(b)
4 marks
Explain role of automation in hydraulic and pneumatic system.
(c)
7 marks
Explain cascade method of sequencing.

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About this paper

Official Gujarat Technological University (GTU) examination paper for Oil Hydraulics And Pneumatics (Winter 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.

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