As shown in the figure below, a reversible power cycle receives energy QH by heat transfer from a hot reservoir atTH and rejects energy Qc by heat transfer to a cold reservoir at Tc.Hot reservoirat THBoundary-WeycleCold reservoir2cat Te(a) If TH = 600 Kand Tc = 400 K, what is the thermal efficiency?(b) If TH = 500°C, Tc = 20°C, and Weycle = 200 kJ, what are QH and Qc, each in kJ?(c) If ŋ = 50% and Tc = 40°F, what is TH, in °F?(d) If n = 40% and TH = 427°C, what is Tc, in °C?

Answered: Image /qna-images/answer/e6287a85-04ed-4c7d-9a94-1f3493a572e4.jpg

Answered: As shown in the figure below, a…

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

Provide complete solution and diagram for below problem. A Brayton cycle has a pressure ratio of 8 and initial temperature of 32oC. Its compressor workis: A. 165.50 KJ/kg B. 182.34 KJ/kg C. 213.45 KJ/kg D. 247.50 KJ/kg Answer: D
A 60 MW turbine-generator running at 3600 rpm receives steam at 4 MPa 450oC with a back pressure of 10 KPa. Engine efficiency is 78% and combined mechanical electrical efficiency is 95%. Steam properties are as follows: 4 MPa ,450oC : h = 3330.3 KJ/kg, s = 6.9363 KJ/kg-K; 10 KPa: hf = 191.83, hg = 2584.7, sf = 0.6493, sg = 8.1502. Determine the throttle steam requirement in kg/hr.
2 kg of steam expand in a Rankine Engine at 2 MPa, 400 deg C and exhaust it at 0.6 MPa. Determine the e of cycle & engine. At pt. 1 P1= 2 MPa tsat= 212.42 deg C t1= 400 deg C h1= 3247.6 KJ/Kg s1= 7.1271 KJ/Kg-K At pt. 2 P2= 0.6 MPa s2= 7.1271 KJ/Kg-K
Gaseous nitrogen actuates a Carnot power cycle in which the respective volumes at thefour corners of the cycle, starting at the beginning of the isothermal expansion, are V 1 =10.10, V 2 = 14.53, V 3 = 226.54, V 4 = 157.73 liter, what is the thermal efficiency of thecycle? k=1.399
Write legibly, provide manual step by step solution, and diagram for below given problem. A Rankine cycle has an initial mass of liquid flowing at 10 kg at 75. If final enthalpy is 379.6 KJ, find the change of the system. a. 655.75 KJ c. 763.45 KJ b. 834.34 KJ d. 934.56 KJ
2. A power cycle receives energy QH by heat transfer from a hot reservoir at TH = 1200 R and rejects energy QC by heat transfer to a cold reservoir at TC = 400 R. For each of the following cases, determine whether the cycle operates reversibly, operates irreversibly, or is impossible. (a) QH = 900 Btu, Wcycle = 450 Btu (b) QH = 900 Btu, QC = 300 Btu (c) Wcycle = 600 Btu, QC = 400 Btu (d) Eff. = 70%
Explain the first laws of thermodynamics for process and also for cycle?
COMPLETE SOLUTION. FINAL ANSWER ARE IN ENGLISG SYSTEMS. DRAW A DIAGRAM IF NECESSARY. Derive the thermal efficiency of Carnot cycle in terms of its compression ratio “rk”. Show your complete solution and make sure to include a brief explanation.
A rankine cycle has the specific conditions: Inlet of turbine: T= 368 degree celcius p= 11.17 mPa condenser pressure= 550 kpa For specific volume and density, use steam table. use g= 9.81 m/s² Consider water to be incompressible, do not neglect the pump work. For below parameters: mass flow rate= 1.5 kg/s length (L) in meters diameter (D) in meters and L= 4D-1 meters What is the value of the diameter (except 0) in cm that will give the maximum headloss.
A Carnot engine operating between 527C and 27 C produces 600KW of work. Determine, (a) Qa, KW; (b) Qr, KW; (c) ΔS during heat rejection, KW/K and (d) thermal efficiency of the cycle. (Please provide complete solution and write legibly.)
Write legibly, provide manual step by step solution, and diagram for below given problem. A superheat steam Rankine cycle has turbine inlet conditions of 17.5 Mpa and 530 C expands in a turbine to 0.007Mpa. The turbine and pumps polytropic efficiencies are 0.9 and 0.7 respectively, pressure losses between pump and turbine are 1.5MPa. What should be the pump work in KJ/kg? A. 17.3 C. 37.3 B. 27.3 D. 43.4
During January, at a location in Alaska winds at -30°C can be observed, However, several meters below ground the temperature remains at 15°C.An inventor claims to have devised a power cycle working between these temperatures having a thermal efficiency of 10%. Investigate this claim. What is the maximum thermal efficiency for these conditions? Is the inventor's claim possible?

SEE MORE QUESTIONS

Recommended textbooks for you

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Control Systems Engineering

Mechanical Engineering

ISBN:

9781118170519

Author:

Norman S. Nise

Publisher:

WILEY

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Engineering Mechanics: Statics

Mechanical Engineering

ISBN:

9781118807330

Author:

James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher:

WILEY

SEE MORE TEXTBOOKS

As shown in the figure below, a reversible power cycle receives energy QH by heat transfer from a hot reservoir a TH and rejects energy Qc by heat transfer to a cold reservoir at Tc.