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.

Where can I download the official GTU 3150616 Winter 2024 question paper PDF?

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 UniversityWinter 2024 examination

GTU 3150616 Pipeline Engineering Winter 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 10:30 AM – 1:00 PM
Questions: 5 with internal choice

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Q.1

14 Marks

(a)

3 marks

Using the population data given below, forecast the population of a town for the year 2041 using any three methods of population forecasting.

Year	Population
1981	37000
1991	48000
2001	64000
2011	73000

(b)

4 marks

What is rising main? Find the most economical diameter of the rising main to handle discharge of 125 m³/hr.

(c)

7 marks

Enlist different types of pipes which can be used in the water supply scheme. Explain any three types of pipes in detail with its advantages and disadvantages.

Q.2

14 Marks

(a)

3 marks

A pipe of 500 mm outer diameter is subjected to a working pressure of 15 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 required.

(b)

4 marks

Enlist different types of joints used for joining pipes for water supply. Explain any two joints in detail with a neat sketch.

(c)

7 marks

Find the diameter of a main for flow of 12 MLD and calculate the horse power required for pumps to send water from source to water treatment plant which is having difference in water surface level of 12 m. Distance between source and water treatment plant is 3 km. Take coefficient of friction as 0.004, velocity in the pipe as 2 m/s, minor losses around 1.2 m and efficiency of pump as 75%.

(c)

7 marks

Explain how you can find the capacity of the ESR required for meeting the water demand of the town.

Q.3

14 Marks

(a)

3 marks

Differentiate between destructive and non-destructive testing for the weld joint

(b)

4 marks

Explain the steps to be followed for testing the water supply lines for leakage and pressure.

(c)

7 marks

Explain different methods used for control of corrosion.

(a)

3 marks

Design a clear water reservoir for storing water for a town having population of 85000.

(b)

4 marks

Explain the factors affecting the rate of corrosion of the pipe.

(c)

7 marks

What is water audit? How it is done? Explain different types of apparent and real losses considered in the water audit.

Q.4

14 Marks

(a)

3 marks

Why flow meters are needed? Enlist the type of flow meters commonly used in water supply scheme.

(b)

4 marks

Enlist different types of leak detection system. Explain any one system in detail.

(c)

7 marks

What is Rehabilitation of pipe? Why it is needed? Explain any one method used for rehabilitation of water supply pipes.

(a)

3 marks

Enlist different types of minor losses occurring in the pipe flow.

(b)

4 marks

Write a short note on miter bend.

(c)

7 marks

Write a short note on hardy cross method used for analysis of pipe network.

Q.5

14 Marks

(a)

3 marks

What is design period? State the design period adopted for the different components of the water supply network?

(b)

4 marks

Explain grid iron system used for distribution of water.

(c)

7 marks

What is water hammer? How the effect of the water hammer on the pipe network can be minimized?

(a)

3 marks

A city with a population of 50000 is to be supplied water at the rate of 180 lpcd. Find out the average and maximum discharge. Assume peak factor as 1.5.

(b)

4 marks

Discuss the applications of the EPANET software.

(c)

7 marks

Explain different types of lining and coating used for pipelines.

More Pipeline Engineering papers

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

Summer 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 (Winter 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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