A rigid tank (a closed system with fixed boundaries) with a volume of 0.45677 m³ contains 10 kg of refrigerant-134a vapor at 600 kPa. The refrigerant is now cooled. A) Determine the pressure when the refrigerant first starts to condense. B) Show the process on a P-v diagram with respect to saturation lines.

A rigid tank (a closed system with fixed boundaries) with a volume of 0.45677 m³ contains 10 kg of refrigerant-134a vapor at 600 kPa. The refrigerant is now cooled. A) Determine the pressure when the refrigerant first starts to condense. B) Show the process on a P-v diagram with respect to saturation lines.

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

Water is contained in a closed, rigid, 0.25 m3 tank at an initial pressure of 500 kPa and a quality of 80%. Heat transfer occurs until the tank contains only saturated vapor. Determine (a) draw the process on a P-v and a T-v diagram. (b) the final mass of vapor in the tank, in kg. (c) the initial mass of vapor in the tank, in kg. (d) the final pressure, in bar. (e) amount of heat transferred to the system.
0.25 gm/sec of wet steam with 0.6MPa and dryness faction of 0.96, undergoes an isochoric process until it becomes saturated. Determine its dS, dH, dU, Wnf, Wsf, and Q
1. What should be the water line gage pressure in the ground floor of a building so that water can rise up in the fifth floor which is 15m high? 2. Determine the volume occupied by a 2kg steam at 500kPa, under the following conditions: (a) pressure state (b) pure vapor state (c) 20% moisture content (d) 20% dry When P (kPa) = 500, T (°C) = 151.86, Vf (m³/kg) = 0.0019 and Vg (m³/kg) = 0.3749 3. An automobile tire contains a certain volume of air at 205kPa, and 20°C. The barometric pressure is 100kPa, if due to maintaining conditions the temperature of the air in the tire rises to 70°C, what will be the gage pressure? Assume that the air is an ideal gas and that the tire does not stretch.
2nd - What is the enthalpy of refrigerant 134a at a temperature of – 8 °C and a pressure of 360 kPa? a) 204.52 kJ/kg B) 59.72 kJ/kg NS) 194.08 kJ/kg D) 41.19 kJ/kg TO) 245.72 kJ/kg
t=270°C s= 6.5 kJ/kg-K What is the state of the pure substance?
Need help with these two homework problems 1) A tank contains a two-phase liquid–vapor mixture of Refrigerant 22 at 8 bar. The mass of saturated liquid in the tank is 25 kg and the quality is 30%. Determine the volume of the tank, in m3, and the percentage of the total volume occupied by saturated vapor. 2) One kilogram of water contained in a piston–cylinder assembly, initially saturated vapor at 100 kPa, is condensed at constant pressure to saturated liquid. Consider an enlarged system consisting of the water and enough of the nearby surroundings that heat transfer occurs only at the ambient temperature of 25oC. Assume the state of the nearby surroundings does not change during the process, and ignore kinetic and potential energy effects. For the enlarged system, determine the heat transfer, in kJ, and the entropy production, in kJ/K.
water contained in a closed, rigid tank, initially saturated vapor at 280 Celsius, is cooled to 100 Celsius. Determine the initial pressure, in MPa, and the final quality
A 1-m3 rigid tank contains 10 kg of water (in any phase or phases) at 160°C. The pressure in the tank is(a) 738 kPa (b) 618 kPa (c) 370 kPa(d) 2000 kPa (e) 1618 kPa
Saturated steam vapor at 250°C moves along its isotherm until the pressure becomes 1MPa. Locate the end state points on the Mollier chart and for each kilogram of steam processed determine (a) the initial pressure, (b) the change of enthalpy, (c) the change of entropy.
3 pounds of an ideal gas undergoes an isentropic process from 93.6 psig and a volume of 0.8 ft3 to a final volume of 3.7 ft3. If cp = 0.129 and cv - 0.098 Btu/lb.R, what are (a) t₂ (b) p₂, (c) AH and (d) W.
(Processes of ideal gases) oxygen at 200 kPa, 27 degree celcius in a piston cylinder device arrange to maintain a constant pressure. how much work in KJ/kg is produced by this system when it is heated to 227 degree celcius?
You do 10,000 J of work on a system of 3.00kg water by stirring it with a paddle wheel. During this time, 10,000 calories of heat is added. What is change in the internal energy of the system? (1 calorie = 4.18 Joules)