Answer:
Phase diagrams represent the relationship between temperature and the composition of phases present at equilibrium. An isomorphous system is one in which the solid has the same structure for all compositions. The phase diagram shown is the diagram for Cu-Ni, which is an isomorphous alloy system.
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Answer:
The corresponding absolute pressure of the boiler is 24.696 pounds per square inch.
Explanation:
From Fluid Mechanics, we remember that absolute pressure (
), measured in pounds per square inch, is the sum of the atmospheric pressure and the working pressure (gauge pressure). That is:
(1)
Where:
- Atmospheric pressure, measured in pounds per square inch.
- Working pressured of the boiler (gauge pressure), measured in pounds per square inch.
If we suppose that
and
, then the absolute pressure is:
![p_{abs} = 14.696\,psi+10\,psi](https://tex.z-dn.net/?f=p_%7Babs%7D%20%3D%2014.696%5C%2Cpsi%2B10%5C%2Cpsi)
![p_{abs} = 24.696\,psi](https://tex.z-dn.net/?f=p_%7Babs%7D%20%3D%2024.696%5C%2Cpsi)
The corresponding absolute pressure of the boiler is 24.696 pounds per square inch.
Answer:
Rate of heat transfer to river=1200MW
So the actual amount of heat rejected ti the river will be less as there will some heat loss to surrounding and in pipes
Explanation:
In order to find the actual heat transfer rate is lower or higher than its value we will first find the rate of heat transfer to power plant:
![Efficiency=\frac{work}{heat transfer to power plant}](https://tex.z-dn.net/?f=Efficiency%3D%5Cfrac%7Bwork%7D%7Bheat%20transfer%20to%20power%20plant%7D)
![Heat transfer=\frac{work}{Efficiency\\} \\\\Heat transfer=\frac{800}{0.40}\\\\Heat transfer=2000MW](https://tex.z-dn.net/?f=Heat%20transfer%3D%5Cfrac%7Bwork%7D%7BEfficiency%5C%5C%7D%20%5C%5C%5C%5CHeat%20transfer%3D%5Cfrac%7B800%7D%7B0.40%7D%5C%5C%5C%5CHeat%20transfer%3D2000MW)
From First law of thermodynamics:
Rate of heat transfer to river=heat transfer to power plant-work done
Rate of heat transfer to river=2000-800
Rate of heat transfer to river=1200MW
So the actual amount of heat rejected ti the river will be less as there will some heat loss to surrounding and in pipes.
Answer:
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Just draw a line from point D join to point E
The triangle formed DME will be congruent to AMC