What is the exam pattern and passing mark for GTU Pipeline Engineering (3150616)?

The GTU theory examination carries 70 total marks with a duration of 2.5 Hours. Minimum passing criteria is 23 marks (33%). The paper consists of 5 main questions with official marking breakdown and internal choices.

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The official GTU question paper PDF is linked directly from Gujarat Technological University's official examination archive. You can view the full paper online or download the original file.

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Gujarat Technological UniversitySummer 2024 examination

GTU 3150616 Pipeline Engineering Summer 2024 Question Paper & PDF

B.E. · Civil Engineering · Semester 5 · Subject code 3150616

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Total: 70 marks
To pass: 23 marks (33%)
Duration: 2.5 Hours 2:30 PM – 5:00 PM
Questions: 5 with internal choice

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Q.1

14 Marks

(a)

3 marks

Find the head loss due to friction in a rising main using following data:

1Length of rising main= 1200m

2Diameter of the pipe= 0.30m

3Discharge= 1.8 m³/min

4Coefficient of friction= 0.0075.

(b)

4 marks

Define corrosion. Enlist different factors contributing to pipe corrosion. Also enlist the methods used for prevention of corrosion.

(c)

7 marks

Explain different type of systems used for distribution of water

Q.2

14 Marks

(a)

3 marks

Differentiate between major and minor losses occurring in the pipes.

(b)

4 marks

A pipe of 500 mm outer diameter is subjected to a working pressure of 18 kg/cm². The allowable stress for the pipe is 200 kg/cm². The corrosion allowance to be taken is 1.8 mm. Find the thickness of the pipe with and without corrosion allowance.

(c)

7 marks

Derive Darcy-Weisbach equation for finding head loss.

(c)

7 marks

Explain different types of welding techniques used for pipe joints.

Q.3

14 Marks

(a)

3 marks

What is rising main? Find out the most economical diameter of the rising main to carry a discharge of 0.5 cumecs.

(b)

4 marks

Write a short note of water audit.

(c)

7 marks

Explain different methods used for rehabilitation of pipelines.

(a)

3 marks

What is thrust block? Write the steps to be followed for the design of thrust block.

(b)

4 marks

Explain different types of bends used in a pipe network.

(c)

7 marks

Explain different leak detection techniques used for pipelines.

Q.4

14 Marks

(a)

3 marks

Find the diameter of the circular sharp edge orifice which is to be provided in the side of the tank. The head of the water over the orifice is 9 m. The required discharge is 0.03 m³/s. Take Cd=0.62.

(b)

4 marks

Enlist different types of valves used in distribution network. Explain any two of them in detail.

(c)

7 marks

Explain step by step, the procedure used for laying the pipes for water distribution.

(a)

3 marks

Why flow meter is required in the pipe network? Enlist different types of flow meters.

(b)

4 marks

Explain different type of non destructive testing methods used for testing weld joint.

(c)

7 marks

State the advantages and disadvantages of cast iron and concrete pipes.

Q.5

14 Marks

(a)

3 marks

Differentiate between centrifugal and displacement pump.

(b)

4 marks

Explain different methods used for analysis of the pipe network.

(c)

7 marks

Explain different remedial measures used for control of water hammer.

(a)

3 marks

A city with a population of 75000 is to be supplied water at the rate of 210 lpcd, what will the quantity of the water required to meet the daily water demand of the city. Take peak factor as 1.5.

(b)

4 marks

What is water hammer? How surge pressure is calculated?

(c)

7 marks

Explain mass curve method used for finding the capacity of ESR.

More Pipeline Engineering papers

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

Winter 202470 marks · 5 questions

Winter 202370 marks · 5 questions

Summer 202370 marks · 5 questions

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About this paper

Official Gujarat Technological University (GTU) examination paper for Pipeline Engineering (Summer 2024, B.E. · Civil 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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