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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Francis and Kaplan turbines are often provided with draft
tubes, which lead the exit fl ow into the tailwater region, as
in Fig. . Explain at least two advantages in using a
draft tube.

Expert Solution

Step 1

A draft tube can be defined as a pipe of gradually increasing area that connects the outlet of the runner to the tail race. One end of the draft tube will be connected to the outlet of the runner while the other end will be submerged below the water level in tail race.

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