Two rigid tanks are connected by a valve as shown in the figure below. Tank A contains 0.25 m³ of water at 400 kPa and 75 percent quality. Tank B contains 0.6 m³ of water at 200 kPa and 250°C. Next, the valve is opened, and the two tanks eventually come to the same state. Determine the pressure and the amount of heat transfer when the system reaches thermal equilibrium with the surroundings at 35°C. In your solution, start with a schematic that includes the boundary of the system that you will use and list all your relevant assumptions. H₂O 400 kPa H₂O 200 kPa

Two rigid tanks are connected by a valve as shown in the figure below. Tank A contains 0.25 m³ of water at 400 kPa and 75 percent quality. Tank B contains 0.6 m³ of water at 200 kPa and 250°C. Next, the valve is opened, and the two tanks eventually come to the same state. Determine the pressure and the amount of heat transfer when the system reaches thermal equilibrium with the surroundings at 35°C. In your solution, start with a schematic that includes the boundary of the system that you will use and list all your relevant assumptions. H₂O 400 kPa H₂O 200 kPa

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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Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

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Problem 7
- Pure substance in connecting tanks
Two rigid tanks are connected by a valve as shown in the figure below. Tank A contains
0.25 m³ of water at 400 kPa and 75 percent quality. Tank B contains 0.6 m³ of water at 200
kPa and 250°C. Next, the valve is opened, and the two tanks eventually come to the same
state. Determine the pressure and the amount of heat transfer when the system reaches
thermal equilibrium with the surroundings at 35°C.
In your solution, start with a schematic that includes the
boundary of the system that you will use and list all your
relevant assumptions.
H₂O
400 kPa
H₂O
200 kPa

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Step 1: Introduction

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Step 2: Temperature in tank A

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Step 3: Data from the steam tables

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Step 4: To find the enthaphy at the surroundings

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Step 5: Pressure at the surroundings

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Step 6: Table having data to have in equlibrium

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