GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-V (NEW) EXAMINATION - WINTER 2020
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Subject Code:3150616 Date:03/02/2021Subject Name:Pipeline Engineering
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
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2. Make suitable assumptions wherever necessary.3. Figures to the right indicate full marks.
MARKS
Q.1 (a) What is Pumping Station? and List Factors Affecting Site 03
Selection of Pumping Station.
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(b) What is Rising Main? Explain How You will Find out Economical 04
Diameter of Rising Main and Head Loss in Rising main.
(c) A City with Population of 1.2 Million has Continuous Water 07
Supply at 250 lpcd. Hourly Consumption is as Follow
Time LPC
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12 Midnight to 5 am 105 am to 11 am 95
11 am to 3 pm 30
3 pm to 9 pm 90
9 pm to 12 Midnight 25
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Determine The Capacity of Reservoir required for Distribution of
Water by Analytical Method if,
A. The Pumping is done 24 Hrs. in a Day
B. The Pumping is done from 5 am to 11 am & 3 pm to 9pm.
Q.2 (a) Differentiate between Continuous and Intermittent Water Supply 03
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System.(b) Define DMA? Explain Concept of DMAs with Neat Sketch. 04
(c) A City with 1 Million Population Poses a Water Demand of 140 07
LPCD. If The Average Daily Demand of Water is to be Sources
from a 2.5 km Away River and The Demand Has to be Supplied
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in 10 Hrs.; Calculate the Size of the Main and B.H.P. of ThePumps Required, If:
(a) One Pipe is to be Used with Velocity 2 m/s.
(b) Pipe is to be Used with Velocity of 1.5 m/s.
(c) Two Pipes to be Used Carrying Equal Discharge with
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Velocity 1.2 m/s.Consider the Difference in Water Level of Sump and Reservoir is
30 m, Take Friction Factor as 0.04, and Efficiency of Pump as 80
%.
Q.3 (a) How Corrosion Damage can be Prevented in Pipe? 03
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(b) Explain Any one Water Leak Detection System in Detail. 04
(c) Enlist & Explain Water Distribution Methods them with Sketch. 07
Q.4 (a) Explain Lining Process for Pipe Briefly. 03
(b) Explain Different Methods of Pipeline 04
Rehabilitation.
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(c) What is Water Audit? Explain Major Components of Water 07
Balance Calculation.
Q.5 (a) Describe Factors Affection Selection of Pipe Material. 03
(b) Explain Working Process of Air Relief Valve. 04
(c) Define Water Hammer. What can cause Water Hammer and 07
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Explain How to Avoid Water Hammer in Brief.Q.6 (a) What is Flow Meter? Enlist Type of Flow Meter. 03
(b) Explain Methods to Avoid Pressure Surge. 04
(c) What are the different types of Pipes used for Water Supply? 07
Explain any Two in Detail.
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Q.7 (a) Explain Basic Requirements of Flow Meter. 03
(b) How Do You Lay a Pipeline? 04
(c) Enlist Types of Joints in Pipe. Explain Any Two in Detail with 07
Neat Sketch.
Q.8 (a) What is Zero Velocity Valve? Explain in Brief. 03
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(b) How Pressure Test is Performed? 04
(c) Explain Spigot and Socket Joint & Mechanical Joint in Detail. 07
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