Steam in a piston-cylinder assembly undergoes a polytropic process, with n = 2, from an initial state where V₁ = 3.50880 ft³, p₁ = 400 Ibr/in2, and u₁ = 1322.4 Btu/lb to a final state where u₂ = 1036.0 Btu/lb and v₂ = 3.393 ft³/lb. The mass of the steam is 2.0 lb. Changes in kinetic and potential energy can be neglected. Determine the change in volume, in ft3, the energy transfer by work, in Btu, and the energy transfer by heat, in Btu. Step 1 Determine the change in volume, in ft³. AV= i ft3

Steam in a piston-cylinder assembly undergoes a polytropic process, with n = 2, from an initial state where V₁ = 3.50880 ft³, p₁ = 400 Ibr/in2, and u₁ = 1322.4 Btu/lb to a final state where u₂ = 1036.0 Btu/lb and v₂ = 3.393 ft³/lb. The mass of the steam is 2.0 lb. Changes in kinetic and potential energy can be neglected. Determine the change in volume, in ft3, the energy transfer by work, in Btu, and the energy transfer by heat, in Btu. Step 1 Determine the change in volume, in ft³. AV= i ft3

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

Related questions

Q: of 2 kg in a closed system undergoes three processes in series: Process 1-2: isochoric process from…

A: Given data p1 = 1 bar, V1= 4 m^3 P2 = 2 bar V3 = 2 m3 V4 = 1 m3 Mass of gas (m) = 2 kg

Q: A closed system consisting of 10 Ib of air undergoes a polytropic process from p1 = 80 lbf/in?, v1 =…

Q: Air is compressed in a piston-cylinder assembly from p₁ - 10 lb/in², T₁-500°R, V₁-9 ft³ to a final…

Q: Sketch the processes on a p-v diagram and determine the work per unit mass of air, in kJ/kg

Q: It is the total energy of a flowing fluid on a unit-mass basis.

Q: Process 3-4: Isobaric process to state 4, where V4 = 1 m³. Determine V2, P3, and P4.

Q: Air is compressed in a piston-cylinder assembly from p₁ = 25 lb/in², T₁ = 500°R, V₁ = 9 ft³ to a…

Q: A piston-cylinder assembly contains 2 lb of water, initially at 100 lbf/in.² and 600°F. The water…

Q: A closed system consisting of 10 lb of air undergoes a polytropic process from p₁ = 65 lbf/in², v₁ =…

A: Given:Mass of air, m=10 lbInitial pressure of air, P1=65 lb/in2Initial volume of air, v1=4…

Q: 1-2: Reversible polytropic compression at pressure 0.8 bar at volume 0.05 m3 to a pressure 9.8 bar…

Q: Helium expands polytropically through a gas turbine according to the process PV1.42 = C. If the…

Q: Five lbs of propane is contained in a closed, rigid tank initially at 80 lbf/in.2, 90°F. Heat…

A: The given information in the problem is represented in the following attached image:

Q: Calculate the value of n in the process to 3 decimal places

A: *here,for 2-3 processP2-V2n=p3v3n(here,v1=v3)therefore,(10.6)(0.6)2=(2.9).(v1)2 v1=1.147 m3/kg

Q: Carbon dioxide (molar mass 44 kg/kmol) expands reversibly in a perfectly thermally insulated…

Q: 3 kg of steam with quality of 30% has a pressure of 12.056 bar. At that pressure, the specific…

Q: Two kilograms of water are contained within a piston and cylinder assembly, with a massless piston,…

Q: Air in a closed piston-cylinder arrangement is expanded from the initial pressure of 8.9 bar and…

A: Given: P1=8.9 bar=8.9×105PaV1=0.026 m3P2=3 bar=3×105 Pam=0.26 kgu1=100.5 kJ/kgu2=155.5 kJ/kg

Q: A gas is contained in a vertical piston-cylinder assembly by a piston with a face area of 50 in² and…

Q: calculate the final pressure in bar to 3 decimal places.

A: For solution refer below images.

Q: Nitrogen undergoes an adiabatic process, the pressure volume relationship given as p = (5/V)+1.5…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 3. A perfect gas, R = 315.4 ft-lb/lb-°R, c = 0.514 Btu/lb-°R, undergoes an isentropic process such…

A: R=315.4 ft-lb/lb-o RCv=0.514 btu/lb-oRisentropic processt1=56 o RV1=2.2 ft3V2=2.5 ft3

Q: Air is compressed in a piston-cylinder assembly from p₁=10 lb/in², T₁ = 500°R, V₁ = 9 ft³ to a final…

Q: 2 kg of water vapor in a piston-cylinder assembly expands at a constant pressure of 300 kPa (3.0…

A: The mass of water vapor is .The pressure is .The final volume is .

Q: 3. The closed piston-cylinder assembly shown contains Ammonia. The piston moves between two sets of…

Q: Carbon dioxide (molar mass 44 kg/kmol) expands reversibly in a perfectly thermally insulated…

A: Molar mass = 44 kg/kmol Initial pressure = 3.7 bar Initial temperature = 220 C Initial volume = 0.02…

Q: 3. The movement of a piston in a cylinder is restrained by a spring with a spring constant…

A: Given Data⇒Spring constant K=250 lbinAt a position x=0 F=0 lbfProblem definition⇒Problem says…

Q: Q2: A nozzle is a device for increasing the velocity of a steadily flowing fluid. At the inlet to a…

A: GIVEN DATA A NOZZEL GIVEN WITH INLET CONDITION A=0.1m2 , v1=0.19 m3/kg , h1=3025kj/kg OUTLET…

Q: A gas is contained in a vertical piston-cylinder assembly by a piston with a face area of 60 in² and…

A: Given piston weight =100 lb Pressure p = 14.7 lb/in2

Q: Carbon dioxide (molar mass 44 kg/kmol) expands reversibly in a perfectly thermally insulated…

Q: U2: Steam at a pressure of 100 bar and specific temperature, specific enthalpy and internal energy.…

A: Q(2)Given data as per questionSteam at a Pressure , P=100 barSpecific volume,v=0.02242 m3/kg

Q: One-quarter Ibmol of oxygen gas (O₂) undergoes a process from p₁ = 20 lb/in², T₁ = 500°R to p2 = 150…

A: Given data: p1=20 lbf/in2T1=500°Rp2=150 lbf/in2W=-500 BtuQ=-240.0 Btu

Q: Steam in a piston-cylinder assembly undergoes a polytropic process, with n = 2, from an initial…

Q: 155.6 and 100.6 kJ/kg, respectively. The mass of the air is 0.22 kg. Neglecting the effect of…

Q: Nitrogen undergoes an adiabatic process, the pressure volume relationship given as p = (5/V)+1.5…

Q: Determine the work,

A: Given: Refrigerant 134 m=0.02 kg P1= 68.9 kPa P2= 1.1 MPa T1= -6.7 oC =-6.7+273=266.3 K Process :…

Q: A fixed-mass system contains mass, m = 1.0 kg of air. A thermodynamic process occurs from state one…

A: It is very basic question of thermodynamics. Used concept is entropy change of air . Air modeled as…

Q: Air expands adiabatically in a piston-cylinder assembly from an initial state where p₁ = 100…

Q: A gas in a piston-cylinder assembly undergoes a compression process for which the relation between…

Q: A closed system consists of gas of 2 kg initially in state 1 with p1 = 4bar and specific volume 1m…

Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

Steam in a piston-cylinder assembly undergoes a polytropic process, with n = 2, from an initial state where V₁ = 3.50880 ft³, p₁ = 400
Ibr/in2, and u₁ = 1322.4 Btu/lb to a final state where u₂ = 1036.0 Btu/lb and v₂ = 3.393 ft³/lb. The mass of the steam is 2.0 lb. Changes in
kinetic and potential energy can be neglected.
Determine the change in volume, in ft3, the energy transfer by work, in Btu, and the energy transfer by heat, in Btu.
Step 1
Determine the change in volume, in ft³.
ΔV= i
ft3

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 4 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Steam in a piston-cylinder assembly undergoes a polytropic process, with n = 2, from an initial state where V₁ = 4.38600 ft³, p₁ = 400 lbf/in², and u₁ = 1322.4 Btu/lb to a final state where u₂ = 1036.0 Btu/lb and v₂ = 3.393 ft³/lb. The mass of the steam is 2.5 lb. Changes in kinetic and potential energy can be neglected. Determine the change in volume, in ft3, the energy transfer by work, in Btu, and the energy transfer by heat, in Btu.
Air is compressed in a piston-cylinder assembly from p₁ = 10 lb-/in², T₁= 500°R, V₁ = 9 ft³ to a final volume of V₂ = 1 ft³ in a process described by pv¹.30 = constant. Assume ideal gas behavior and neglect kinetic and potential energy effects. Using constant specific heats evaluated at T₁, determine the work and the heat transfer, in Btu. Step 1 Determine the work, in Btu. W12= Save for Later Btu Attempts: 0 of 4 used Step 2 The parts of this question must be completed in order. This part will be available when you complete the part above. Submit Answer
Carbon dioxide (molar mass 44 kg/kmol) expands reversibly in a perfectly thermally insulated cylinder from 3.7 bar, 220 0C to a volume of 0.085 m3. If the initial volume occupied was 0.02 m3, calculate the final pressure in bar to 3 decimal places. Assume nitrogen to be a perfect gas and take cv = 0.63 k J / k g K.
Nitrogen undergoes an adiabatic process, the pressure volume relationship given as p = (5/V)+1.5 where is in bar and V is in m3. During the process the volume changes from 1.5 x 108 mm3 to 0.05 m3 and the system takes 45 kJ of heat. Determine (i) Work done (i) Work done (ii) Change in internal energy (iii) Final pressure of the gas, if the initial pressure is 1 bar (iv) Final temperature of gas, if the initial temperature is 80°C (v) mass (vi) Change in enthalpy .
A gas is contained in a vertical piston-cylinder assembly by a piston with a face area of 60 in2 and weight of 100 lbf. The atmosphere exerts a pressure of 14.7 lbf/in² on top of the piston. A paddle wheel transfers 3 Btu of energy to the gas during a process in which the elevation of the piston increases slowly by 2 ft. The piston and cylinder are poor thermal conductors, and friction between the piston and cylinder can be neglected. Determine the work done by the gas on the piston, in Btu, and the change in internal energy of the gas, in Btu. Step 1 Determine the expansion work done by the gas on the piston, in Btu. Wexp = i Btu
A closed system consists of gas of 2 kg initially in state 1 with p1 vị = 1m³ /kg. The system undergoes a power cycle consisting of the following 4bar and specific volume processes: Process 1-2: polytropic process to v2 = 2m3 /kg, p2 = 1bar; Process 2-3: isobaric compression to v1; Process 3-1: isochoric process to p1. Determine the polytropic exponent, n, in Process 1-2.
Five lbs of propane is contained in a closed, rigid tank initially at 80 lbf/in.2, 50°F. Heat transfer occurs until the final temperature in the tank is 0°F. Kinetic and potential energy effects are negligible. Determine the amount of energy transfer by heat, in Btu. Q= i Btu
Carbon dioxide (CO2) contained in a piston-cylinder arrangement, initially at 6 bar and 400 K, undergoes an expansion to a final temperature of 260 K, during which the pressure-volume relationship is pV1.25 = constant. Assuming the ideal gas model for the CO2, determine the final pressure, in bar, and the work and heat transfer, each in k.J/kg.
Q2: A turbine operating under steady flow conditions receives steam at the following state: pressure 15 bar ; specific volume 0.15 m/kg ; internal energy 2600 kJ/kg; velocity 30 m/s. The state of the steam leaving the turbine is : pressure 0.4 bar; specific volume 5 m'/kg; internal energy 2200 kJ/kg; velocity 100 m/s. Heat is lost to the surroundings at the rate of 0.2 kJ/s. If the rate of steam flow is 0.5 kg/s, what is the power developed by the turbine?