Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Question

In large steam power plants, the feedwater is frequently
heated in a closed feedwater heater by using steam
extracted from the turbine at some stage. Steam enters the
feedwater heater at 1 MPa and 200°C and leaves as saturated
liquid at the same pressure. Feedwater enters the heater at
2.5 MPa and 50°C and leaves at 10°C below the exit temperature
of the steam. Determine the ratio of the mass flow
rates of the extracted steam and the feedwater.

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