AirFIGURE P4.64.6 A piston/cylinder arrangement shown in Fig. P4.6 initially contains air at 150 kPa,400°C. The setup is allowed to cool to the ambient temperature of 20°C.1ma. Is the piston resting on the stops in the final state? What is the final pressure inthe cylinder?b. What is the specific work done by the air during this process?1m

Answered: Image /qna-images/answer/c3d4ea8a-202d-4a9d-b65d-043b84794ac4.jpg

.6 A piston/cylinder arrangement shown in Fig. P4.6 initially contains air at 150 kPa, 400°C. The setup is allowed to cool to the ambient temperature of 20°C. a. Is the piston resting on the stops in the final state? What is the final pressure in the cylinder? b. What is the specific work done by the air during this process?

.6 A piston/cylinder arrangement shown in Fig. P4.6 initially contains air at 150 kPa, 400°C. The setup is allowed to cool to the ambient temperature of 20°C. a. Is the piston resting on the stops in the final state? What is the final pressure in the cylinder? b. What is the specific work done by the air during this process?

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

See similar textbooks

Similar questions

For a certain gas R = 320 J/kg*K and cv = 0.84 kJ/kg*Kc (a) Find cp and k, (b) If 5 kg of this gas undergo a reversible non flow constant pressure process V1 = 1.133 m3 and p1= 690 kPa to a state where t2 = 555ᵒ C, find ∆U and ∆H
A non-flow reversible process occurs for which pressure and volume are correlated by the expression p = (V2 + 6/V) where p is in bar and V is in m³. What amount of work will be done when volume changes from 3 to 5 m³?
Draw Pv and Ts diagram of reversible isobaric process. Write the relationship between thermodynamic properties.
Ten kg of water 45 °C is heated at a constant pressure of 10 bar until it becomes superheatedvapour at 300°C. Find the change in volume, enthalpy, internal energy and entropy.
a tank of volume 1m3 initially contains steam at 60 bar 320 degrees celsius . stream is stream withdrawn slowly form the tank until the pressure drops to 15 bar. An electronic resistor in the tank transfers energy to the steam maintaining the temperature constant at 320degree Celsius(c) during the process. Neglecting kinetic and potential effects, determine the amount of entropy produced in kj/k
A frictionless piston-cylinder assembly initially contains saturated liquid water at a pressure of 200 kPa. Then, 450 kJ of heat transfer occurs from a source with a temperature of 500 0C to water and some of the water evaporates at constant pressure. Show whether this state change is feasible or not by considering the increase of entropy principle. please solve fast
1. Find enthalpy if 5kg of certain gas go through a reversible non flow that has constantpressure process from initial volume 2.129m3 and pressure of 700 kPa to a state where T2 = 550°C. A certain gas has R= 350J/kg-K and Cv = 0.94 kJ/kg-Ka. 731.9675kJ b. 813.8610kJ c. 878.3610kJ d. 891.2610kJ
2. The entropy change of an irreversible process can be calculable. A.(True) B.(Fale)
3 kilograms of steam has an initial enthalpy of 7100.546 kJ at 0.14546 Mpa. Isentropically compression gives a final pressure of 0.2546 Mpa. Find initial temperature, initial volume, intial internal energy, final temperature, final enthalpy, and final internal energy. Note: Only find the final temperature and final enthalpy.
Argon gas enters an adiabatic compressor at 100 kPa, 25 ∘C, 27 m/s and exits at 1 MPa, 550 ∘C, 100 m/s. The inlet area of the compressor is 75 cm2. Determine the power of the compressor. Ignore the contributions from kinetic and potential energy.
4. The frictionless piston and the cylinder contain 0.2kg of air at 1.5MPa, 350℃ (state 1). This air is first expanded to 500 kPa in an isothermal process (state 2), and then compressed again to 1.5 MPa in a polytropic process (n=1.25) (state 3). Answer the following questions. (1) Find the inflation date of step 1-2. (2) Find the compression days of step 2-3. (4) Find the amount of heat transfer during this process. Mark this process on a P-v diagram or a T-v diagram.
b) A fluid at pressure of 3 bar, and with specific volume 0.18m^ 3 /kg , contained in a cyclinder behind a piston that expands reversibly to a pressure of 0.6 bar according to a law: p = C / (V ^ 2) , where C is a constant. Show the expansion process on p - V diagram and calculate the net work done by the fluid on the piston.