Gujarat Technological UniversityWinter 2024 examination

GTU 3151913 Oil Hydraulics And Pneumatics Winter 2024 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
List the electrical device used in the control of fluid power system.
(b)
4 marks
Write a short note on air receiver.
(c)
7 marks
Draw ISO/ANSI symbols
1)Uni-directional fixed displacement air compressor
2)Bi-directional variable displacement hydraulic pump
3)Spring return type single acting cylinder
4)Pressure reducing valve
5)Variable restriction flow control valve
6)Dead weight accumulator
7)Air dryer

Q.2

14 Marks
(a)
3 marks
Define the following terms related to filtration:
1)Mesh number
2)Silt index
3)Beta ratio
(b)
4 marks

What are different sources of heat generation and what is the effect of heat generated in hydraulic system.

(c)
7 marks
Explain construction and working of bypass filter with schematic diagram.

Also state its advantage and disadvantages.

(c)
7 marks

Draw the detailed symbol of FRL unit. Explain any two components of the same in detail.

Q.3

14 Marks
(a)
3 marks
Classify flow control valves.
(b)
4 marks
Write a short note on limited rotation air motors.
(c)
7 marks
Differentiate between a hydrostatic and hydrodynamics system.
(a)
3 marks
Write a short note on quick exhaust valve.
(b)
4 marks
Classify actuators based on various criteria.
(c)
7 marks
State the different ways of control of DCV.

Q.4

14 Marks
(a)
3 marks
How compressed air is generated in pneumatic system.
(b)
4 marks
Explain construction and working of telescopic cylinder.
(c)
7 marks

Explain construction and working of pressure compensated flow control valve.

(a)
3 marks
State advantages and limitations of bleed-off circuit.
(b)
4 marks

Draw basic pneumatic circuit for operating single acting cylinder using 3/2 DCV.

(c)
7 marks

Sketch and explain hydraulic circuit for operating bi-directional motor using 4/3 DCV.

Q.5

14 Marks
(a)
3 marks
Explain the principle of regenerative circuit.
(b)
4 marks
Sketch hydraulic circuit for operating DAC using 4/2 DCV.
(c)
7 marks

Sketch and explain pneumatic circuit for operating two SAC using one 4/2 DCV.

(a)
3 marks

What are different circuit design softwares available in the market? Explain anyone in detail.

(b)
4 marks

Write different steps of to be carried out for circuit simulation in the software.

(c)
7 marks
Write a short note on programmable automation.

More Oil Hydraulics And Pneumatics papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

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Other Semester 5 subjects

BE Mechanical

2151902
Theory of Machines
2151903
Fluid Power Engineering
2151908
Control Engineering
2151909
Heat Transfer

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About this paper

Official Gujarat Technological University (GTU) examination paper for Oil Hydraulics And Pneumatics (Winter 2024, 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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