is true for first law & second law efficiency (exergetic efficiency), respectively. + x Carnot efficiency and Carnot efficiency To Exergy used Exeryy supplied Desired output and Supplied Input Desired output Exergy lost and Supplied Input Exergy used Entropy generation Energy generation

is true for first law & second law efficiency (exergetic efficiency), respectively. + x Carnot efficiency and Carnot efficiency To Exergy used Exeryy supplied Desired output and Supplied Input Desired output Exergy lost and Supplied Input Exergy used Entropy generation Energy generation

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: QUESTION 17 The inequality in the Clausius inequality holds for A. internally OB.irreversible…

A: Concept: Clausius Inequality: The cyclic integral of (dQ/T)<= 0 For dQ/T <0 , Process is…

Q: Twenty pounds of air initially at 1560°R, 3 atm fills a rigid tank. The air is cooled to 1040°R, 2…

A: Introduction: The heat transfer takes place due to the change in temperature and its transfers in…

Q: Thermodynamic Keys Second Law 91. A closed system undergoes a process in which the work is done by…

A: A close system undergoes a process in which the work is done by the system on the surroundings and…

Q: 9.66 WP A combined gas turbine-vapor power plant operates as shown in Fig. P9.66. Pressure and…

Q: Using image below Evaluate the exergy X1 of the initial state 1 and answer the following question: •…

Q: Air enters an insulated turbine operating at steady-state at 500 kPa, 607 oC, and exits at 100 kPa,…

Q: irreversible adiabatic expansion process efficiency is equal to ____________.

A: Efficiency is defined as How the system is from Ideal condition. so, Efficiency in irreversible…

Q: Select all correct statements below based on the increase of entropy principle_ A. The entropy of an…

A: Increase of Entropy Principle: According to increase of entropy principle, ''the entropy of an…

Q: 8.20 A quantity of air initially at 1 bar, 300 K undergoes two types of interactions: (a) it is…

A: Given that, Pressure of air, P1=1 bar,Temperature of air, T1=300 K,

Q: q, w, AH, AU, and AT are positive, negative, or zero. The reversible adiabatic compression of an…

Q: A counterflow heat exchanger operates at steady state while being well-insulated from the…

A: *As per our guidelines we are supposed to answer first three sub-parts of the question. Kindly…

Q: Refrigerant 134a enters an adiabatic compressor as saturated vapor at 120 kPa at a rate of 0.5…

Q: (3) Complete the following table and say whether the operation is reversible, irreversible, possible…

Q: Is it possible for a designer to use exergy analysis recommendations to improve the performance of a…

A: To find :- Exergy ananlysis

Q: 01: Select the right choice 1- An isentropic process is always (a) Irreversible and adiabatic (b)…

A: Solution: Note: Dear Student! As per our guidelines, we are only allowed to answer three sub-parts…

Q: conditions, steam 30 bar, at 360 ° C with a mass of 0.12 kg / s It enters with flow rate and exits…

Q: Which is TRUE about the simplified entropy balance equation below? + masa – mbSp = m2s2 - m,s1…

A: ds/dt unsteady term is 0 in given expression. Therefore, it is steady state entropy balance…

Q: A feed water heater operating in steady state has 2 inlets and 1 outlet. Liquid water enters. from…

A: Given:P1=7 barT1=42°Cm1=70 Kg/sP2=7 barx2=0.98P3=7 barsaturated liquid

Q: P.2 (Application on Reversible process) Why the Engineers are considered the reversible processes is…

Q: Which of the following descriptions about entropy is/are true? 1. It is positive for an isolated…

A: Entropy: It is the loss of energy which was available to do work. The entropy of any system is a…

Q: Select all proper statements below to explain that the isentropic process is not necessarily an…

Q: с. zero d. indeterminate. 95. A closed system undergoes a process in which the work is done by the…

A: 94.a closed system undergoes a process in which the work is done by the system on the surroundings…

Q: 3. Which of the following is (are) the correct statement(s)? A. Maximum efficiency of reversible…

Q: A heat exchanger in which air passes over tubes through which cold Refrigerant-22 flows. Air enters…

A: Given DataP1=1.2 barT1=37°CT2=25°CP2=100kPaV1˙=50 m3/min As in given statement there is no mass flow…

Q: Air is heated at constant pressure from 27 C to 57 C at 3 bar in a heater from an infinite heat…

A: given; temperature (T1)=270c =300Ktemperature(T2)=570c…

Q: Two pounds of air initially at 200°F and 50 lbf/in2 undergo two processes in series: Process…

A: Solution.jpg

Q: work developed per kilogram of air,

Q: 8.3 Figure P8.3 shows an air compressor with intercooling. The numbers given for each stream…

A: the rate of energy destruction for the air compressor and intercooler , each in MWcalculating the…

Q: . During a process in which the entropy of a fluid changes by-9.2 kJ/K, 3000 kJ of heat is…

Q: Give an example of Exergy Destroyed During Mixing of Fluid Streams.

A: Irreversibilities such as friction, mixing, chemical reaction, heat transfer through a finite…

Q: 7.36 At steady state, hot gaseous products of combustion from a gas turbine cool from 3000°F to…

Q: 2 3. Develop an expression for the exergy destruction of a similar Expander that gives off Q kW of…

Q: Exergy of a Flow Stream: Flow (or Stream) Exergy.

A: The work potential of any energy source is the maximum amount of energy we can extract or harness…

Q: 730 A rigid, insulated tank contains 06 kg of air, initially at 200 kPa, 20C. The air is stirred by…

A: Given data: The mass of the air in the tank is m=0.6 kg The initial pressure in the tank is P1=200…

Q: EXERGY TRANSFER BY HEAT, WORK, AND MASS

A: Given Exergy To find Exergy transfer by heat, work and mass

Q: 02/ A metal with 1.5T, k cooled to 300 k by transferring heat to environment at T = 27" Describe the

A: givenInitial temperature of the T1=1.5TK=1.5×300=450KEnvironment temperature T=300Kweight of metal…

Q: Exercise 7.1 Compression and expansion of an ideal gas 50 mol/s of an ideal gas at 300 K and 1 bar…

A: Given: n˙=50 mol/sT1=300 KP1=1 barP2=10 barηadiabatic=80%P3=1 barT4=300 KTref=298 KPref=1 bar To…

Q: * volume process is greater than that for constant pressure p Fal Tru According to the first law of…

A: Given: Multiple choice questions,

Q: Arigid tank whose volume is 0.5 m³, initially containing ammonia at 20°C, 1.5 bar, is connected by a…

A: Given:The volume of the tanks is The initial pressure is The initial temperature is The large supply…

Q: Parts A-C have already been answered in a previous question I sub A counterflow heat exchanger…

Q: Air is supplied in an 8 kW continuous flow compressor at a pressure of 100 kPa and a temperature of…

A: P1=100 kPaT1=17°C=290 KP2=600 kPaT2=167°C=440 Km˙=2.1kg/min=0.035 kg/s

Q: Determine the exergy flow with input power, exergy flow with output power, magnitude of exergy flow…

A: GivenPout=0.7hpI=6ampV=100VTs=150oF=(150°F − 32) × 5/9 + 273.15 = 338.706KT=40oF=(40°F − 32) × 5/9 +…

Q: at state 2 flows 1, and saturated vapor at state 3 flows out. Ignoring stray heat transfer and…

Q: 7.5 Equal molar amounts of carbon monoxide and neon are maintained at the same temperature and…

A: This question is based on the concept of exergy.

Q: Define the Exergy Transfer by Mass, m.

A: Given Exergy transfer by Mass To find Definition

Q: 3.Air is compressed adiabatically in a piston-cylinder assembly from 1 bar, 300 K to 10 bar, 600 K.…

Question

100%

is true for first law & second law efficiency (exergetic efficiency),
respectively.
+ x Carnot efficiency
and
Carnot efficiency
To
Exergy used
Exeryy supplied
Desired output
and
Supplied Input
Desired output
Exergy lost
and
Supplied Input
Exergy used
Entropy generation
Energy generation

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

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 3 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

3.1 For discussion: (a) Is it possible for exergy to be negative? Discuss. (b) Consider an evacuated space with volume V as the system. Eval- uate its exergy and discuss. PH associated with (c) Is it possible for the specific physical exergy e' a stream of matter to be negative? Discuss.
SHOW COMPLETE SOLUTION FAST ANSWERS WILL BE GIVEN UPVOTE.
Determine the exergy, in Btu, of one pound mass of: a) saturated liquid Refrigerant 134a at -5°F b) saturated vapor Refrigerant 134a at 140°F c) Refrigerant 134a at 60°F, 20lbf/in.2 d) Refrigerant 134a at 60°F, 10lbf/in.2 In each case, consider a fixed mass at rest and zero elevation relative to an exergy refernce environment for which To=60°F, Po=15 lbf/in.2
None
The Clausius inequality holds good for, 1, any process 2, only reversible process 3, only reversible cycle 4, any cycle
Determine the exergy in kJ at 1 kg, 0.7 bar and 90 °C. a) In case of Water (H2O) as fluid type, b) Refrigerant R-134a, c) With air condition as ideal gas for constant cp value For T0=20 °C, P0=1 bar, evaluate with reference to the exergy reference medium, in any case, assuming the mass at rest.
the variation over a cycle of the total entropy of a system is always ? A. positive B. negative C. zero D. positive, negative or Zero E. No answer the internal entropy created inside the system is always A. positive B negative C.positive or zero D. negative or zero E. no answer entropy is a variable A. extensive B. intensive C. constant D. null E. no answer is appropriate JUSTIFY EACH ANSWER.
For each of the following processes, indicate whether each of the quantities q, w, AH, AU, and AT are positive, negative, or zero. The reversible adiabatic compression of an ideal gas when Pert> Patm. A) The reversible isothermal compression of an ideal gas when 0 Patm: Need detailed and correct answer wrong answer means many downyotes
Please solve by hand and correct answer please
3. A power cycle operating at steady state receives energy by heat transfer at a rate QH at TH = 1200 K and rejects energy by heat transfer to a cold reservoir at a rate Qc at Tc = 300 K. For each of the following, determine whether the cycle operates reversibly, operates irreversibly, or is impossible. 400 kW, Weycle 250 kW, Qc = 200 kW a. %3D cycle 250 kW, Qc = 150 kW 400 kW, Qc b. C. = 100 kW
If the specific exergy of a gas in a cylinder of an internal combustion engine modeled as air behaving like an ideal gas is 368.91 kJ / kg and the cylinder contains 2450 cm2 of gaseous combustion products. Åt what elevation in meters 3-kg mass does it have to be lifted from zero elevation with respect to the reference environment so that its exergy equals the exergy of the cylinder? Assume gravity as g = 9.81 m /s^2 NOTE: The density of dry air at a pressure of 7 bar and a temperature of 867 ° C is 2.1388 kg / m^3.
Expert Q&A A counterflow heat exchanger operates at steady state while being well-insulated from the surroundings with air and ammonia flowing in separate streams. Ammonia enters at state 1 with -20°C and a quality of 20% and exits at state 2 as saturated vapor at -20°C. Air enters at state 3 with pressure 1 bar and temperature 295 K and exits at state 4 with pressure 1 bar and temperature 265 K. The flow rate of air is 10 kg/s. Ignore kinetic and potential energy effects, and take the dead state as 1 bar and 300 K. a. Sketch states 1 and 2 on a T-s diagram, including the liquid-vapor dome. b. Describe the heat transfer inside the heat exchanger (what is transferring heat to what?) c. Determine the specific enthalpy of each state, in kJ/kg. d. Determine the mass flow rate of ammonia, in kg/s. e. Determine the rate of exergy destruction within the heat exchanger, in kW. f. Devise and evaluate an exergetic efficiency for the heat exchanger. Done