Answered: In Figure, suppose that the wellheads…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

In Figure, suppose that the wellheads can be divided into two groups depending on gas pressure: a high-pressure group that includes wells 2, 3, 4, and 6 and a low-pressure group that includes wells 5, 7, 8, and 9 . Because of pressure difference, it is not possible to link the wellheads from the two groups. At the same time, both groups must be connected to the delivery point through wellhead 1. Determine the minimum pipeline network for this situation.

Choices:

a.) Set length of arcs 3-5, 5-3, 4-5, 5-4, 4-7, 7-4, 5-6, and 6-5 to ∞ : Total length = 53

b.) Set length of arcs 3-5, 5-3, 4-5, 5-4, 4-7, 7-4, 5-6, and 6-5: Total length = 53

c.) Set length of arcs 3-5, 5-3, 4-5, 5-4, 4-7, 7-4, 5-6, and 6-7 to ∞ : Total length = 53

d.) Set length of arcs 3-5, 5-3, 4-5, 5-4, 4-7, 7-4, and 6-5 to ∞ : Total length = 53

6
3
2
15
10
4
5
20
20
6
3
5
12
Delivery point
6
5
7
15
14
13
9
5
8

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