B-A Carnot cycle operates between source and sink temperatures of 260°C and 10°C. Ifthe system receives 100kJ from the source, find (1) efficiency of the system, (ii) the network transfer, (iii) heat rejected to the sink.

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Answered: B-A Carnot cycle operates between…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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Find the entropy production and determine if the cycle operates irreverisbly, reverisbly, or impossibly. A refrigeration cycle operates between the freezer compartment at 268K and the ambient air at 295K. The rate of heat transfer from the freezer compartment is 8000 kJ/h and the power input for the cycle is 3200 kJ/h. Determine the entropy production for this cycle in kJ/K·h (do not convert h to s). Enter the answer without units, but with a minus sign if applicable. This cycle operates irreversibly reversibly impossibly.
A reversible heat engine operates between two reservoirs: one at Th = 395.0°C and another at Te = 150°C. It goes through a cycle consisting of an adiabatic compression during which it ab- sorbs 125.0J of heat energy, followed by an isothermal expansion at Th, followed by an adiabatic expansion, followed by an isothermal compression at Te. The output of the engine is used to run a reversible refrigerator operating between the same two reservoirs, that has a cycle consisting of an adiabatic expansion, followed by an isothermal expansion at Te, followed by an adiabatic com- pression, followed by an isothermal compression at Th. The output of the engine is used to run the refrigerator. c) How much heat is released by the refrigerator to the hot reservoir?
A proposed cyclic heat engine will accept 300 J of heat from a hot reservoir at 800 K, output 250 J of work to the surroundings, and reject 50 J of heat to a cold reservoir at 300 K. According to the 2nd law of thermodynamics, which of the following statements is correct? The system is possible but irreversible. The system is impossible. The system is possible and reversible.
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B-A Carnot cycle operates between source and sink temperatures of 260°C and 10°C. If the system receives 100kJ from the source, find (1) efficiency of the system, (ii) the net work transfer, (iii) heat rejected to the sink.