Solve this problem and show all of the work Patm = 100 kPa2. As shown in Fig. P3.57, 0.1 kg of propane is contained withina piston-cylinder assembly at a constant pressure of 0.2 MPa.Energy transfer by heat occurs slowly to the propane, and thevolume of the propane increases from 0.0277 m³ to 0.0307 m³.Friction between the piston and cylinder is negligible. The localatmospheric pressure and acceleration of gravity are 100 kPaand 9.81 m/s², respectively. The propane experiences nosignificant kinetic and potential energy effects. For the propane,determine (a) the initial and final temperatures, in °C, (b) thework, in kJ, and (c) the heat transfer, in kJ.+Pistonm = 0.1 kgp = 0.2 MPaV₁ = 0.0277 m³= 0.0307 m³V2PropaneHot plateFig. P3.57

Step 1: Step 2: Step 3: Step 4:

Answered: Patm = 100 kPa 2. As shown in Fig.…

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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P2.2 A fixed quantity of steam of mass 0.013 kg is heated at a constant pressure of 3 bar. The initial volume is 6.0 × 10¬4m³. Calculate (i) the initial quality and temperature of the steam, (ii) the quality when the volume is 7.2 × 10*m³, and (iii) the temperature when the volume is 9.5 x 10 m³. Indicate the heating process on a P-V and T-V diagram for water. [Answers: (i) 0.07447, 133.5°C, (ii) 0.0898, (iii) 208.8°C]
A tank is full of oxygen (M-32 g/mol) and open at the top. There is a frictionless nozzle near the bottom, the diameter of which is so small compared with the diameter of the tank that the velocity at the free surface is zero. There is no friction and nonflow work. Assuming ideal gas behavior for both of oxygen and air (M-29 g/mol), what is the velocity of the steady flow out of the nozzle? the Berp Tomall% Fashion Point 1 h=30 ft Point 2
Solve this problem and show all of the work
H₂O Po 4.23 Two kilograms of water are contained in a piston/cylinder (Fig. P4.23) with a massless piston loaded with a linear spring and the outside atmosphere. Initially the spring force is zero and P₁ = P₁ = 100 kPa with a volume of 0.2 m³. If the piston just hits the upper stops the volume is 0.8 m³ and T = 600°C. Heat is now added until the pressure reaches 1.2 MPa. Find the final temperature, show the P-V dia- gram and find the work done during the process.
Please show and explain your solution step by step thankyou
Please assist with part b!
Q3. As shown in figure Q3, two tanks connected with valve are containing air with the given condition as shown in the figure. Now the valve is opened and the air in the two tanks are allowed to mix and reach to equilibrium condition with the surrounding temperature of 20°C. Considering the necessary assumptions, determine (a) the volume of tank B, (b) the pressure of both tanks after the valve is opened. (c) Can we use ideal gas low for saturated water steam at atmospheric pressure? Discuss the reason. (The gas constant of air is R = 0.287 kPa.m³/kg.K.) A В V = 1 m3 m = X m3 T= 17 °C T= 35 °C P = 450 kPa P = 300 kPa Figure Q3.
For the cylinder below, the final volume inside cylinder (V3) in (Liter) ;is A frictionless piston-cylinder device initially contains 0.2 kg of steam at 400 kPa, 300 °C. Now the steam loses heat to the surroundings and the piston moves down, hitting a set of stops at which point the cylinder contains saturated liquid water. The cooling continues until the cylinder contains water at 135 °C. |frictionless Piston /// / Steam ,m=8-2 kg Pi= 400 kPa Ti= 300°C (sat. lig.)2 T3 = 135 C stops Below 0.1 O Between 0.1 and 0.2 O Between 0.2 and 0.3 Above 0.3 O
Nitrogen gas is confined in a cylinder and the pressure of the gas is maintained by a weight placed on the piston. The mass of the piston and the weight together is 100 kg. The acceleration due to gravity is 9.81 m/s2 and the atmospheric pressure is 1.01325 bar. Assume frictionless piston. Determine: (a) The force exerted by the atmosphere, the piston and the weight on the gas if the piston is 200 mm in diameter. (b) The pressure of the gas. (c) If the gas is allowed to expand pushing up the piston and the weight by 500 mm, what is the work done by the gas in kJ? (d) What is the change in the potential energy of the piston and the weight after the expansion in part (c)?
One kg of air is compressed in a cylinder for each of the quasi-equilibrium processes in the table below. Fill in the missing quantities. Process W AU ΔΗ P2 T, T, V1 V2 (kJ) (kJ) (kPa) (kPa) (°C) (°C) (m³/kg) (m³/kg) (kJ) (kJ) 200 200 V = C P = C a) 200 400 200 400 b) c) T = C 80 200 60 600 0.2 0.02 d) Q = 0
Example 2 A closed rigid container has a volume 1m³ and holds air at 345 kPa and 20 °C. Heat is added until the temperature is 327 °C. Determine the change in internal energy . R = 287 J / kg k Cv20 = 718 J /kg k, Cv327 = 768 J / kg .k %3D a/ using an average value of specific heat b/ considering the variation of specific heat with temperature. Take AU = m Au
A rigid tank filled with water is divided into two chambers by a membrane. The membrane is a perfect insulator and there is no heat transfer between the chambers. The volume of the water in chamber A and chamber B is VA = 1 m² and Vg = 4 m³, respectively. Initially (state 1) chamber A contains water at a temperature of 150 °C and a pressure of 350kPa. Chamber A also contains a plate of nickel with a mass of myi = 20 kg that is always in thermal equilibrium with the water. Chamber B contains 40 kg of water at a temperature of 80 °C. The membrane ruptures and heat transfers between the tank and its surroundings such that the water inside the tank reaches a uniform state, with a final temperature, T2, of 100°C. The specific heat of nickel is CpNi = 0.44 kJ/kg-K. c) Determine the pressure and specific internal energy of the water at the final state. (ie. P, and uz) d) Determine total heat transfer (between the tank and its surroundings) during the process. (ie. 1Q2) A В (Water) (Water)…

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