4. A two-phase, liquid-vapor mixture of H,O, initially a kPa, is contained in a piston – cylinder assembly, as shown in Fig 4. The mass of the piston is 10 kg, and its diameter is 15 cm. The pressure of the surroundings is 100 kPa. As the water is heated, the pressure inside the cylinder remains constant until the piston hits the stops. Heat transfer to the water continues at constant volume until the Water, initially at X= 30%, p= 100 kPa- Piston D= 15 cm m- 10 kg Pen= 100 kPa pressure is 150 kPa. Friction between the piston and the cylinder wall and kinetic and potential energy effects are negligible. Present the process on the P-v diagram. For the overall process of the water, determine the work and heat transfer, each in kJ. 2 cm- -8 cm

4. A two-phase, liquid-vapor mixture of H,O, initially a kPa, is contained in a piston – cylinder assembly, as shown in Fig 4. The mass of the piston is 10 kg, and its diameter is 15 cm. The pressure of the surroundings is 100 kPa. As the water is heated, the pressure inside the cylinder remains constant until the piston hits the stops. Heat transfer to the water continues at constant volume until the Water, initially at X= 30%, p= 100 kPa- Piston D= 15 cm m- 10 kg Pen= 100 kPa pressure is 150 kPa. Friction between the piston and the cylinder wall and kinetic and potential energy effects are negligible. Present the process on the P-v diagram. For the overall process of the water, determine the work and heat transfer, each in kJ. 2 cm- -8 cm

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

Chemical and Phase Equilibrium

Phase diagrams or equilibrium phase diagrams are the graphical representations that show the phase transformations of the constituting elements with respect to the pressure, temperature, and compositions. The diagrams show the conditions that limit the different phases, namely solid, liquid, and gas. The diagram can also be utilized to verify the relations between the state variables. Most of the phase diagrams are temperature-pressure phase diagrams, with the variable parameter as the composition. Usually other variables such as solubility and pressure parameters are not indicated in the phase diagram. For a one-component system (unary phase diagram), the phase diagram is generally a function of temperature and pressure as the state variables, or temperature and volume. However, for a binary system (two-phase) having two components, the phase diagram is a function of temperature and composition as the state variables only. Coexisting of the different phases of the constituting elements is indicated in the phase diagram. A ternary phase diagram can be characterized by consisting of three phases in equilibrium.

Question

100%

4. A two-phase, liquid-vapor mixture of H,O, initially a
kPa, is contained in a piston – cylinder assembly,
as shown in Fig 4. The mass of the piston is 10 kg,
and its diameter is 15 cm. The pressure of the
surroundings is 100 kPa. As the water is heated,
the pressure inside the cylinder remains constant
until the piston hits the stops. Heat transfer to the
water continues at constant volume until the
Water,
initially at
X= 30%,
p= 100 kPa-
Piston
D= 15 cm
m- 10 kg
Pen= 100 kPa
pressure is 150 kPa. Friction between the piston
and the cylinder wall and kinetic and potential
energy effects are negligible. Present the process
on the P-v diagram. For the overall process of the
water, determine the work and heat transfer, each
in kJ.
2 cm-
-8 cm

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