An ideal heat engine would have 100 percent efficiency if its input hot reservoir were A) 1000 times hotter than the exhaust sink. B) 100 times hotter than the exhaust sink. C) 100 times cooler than the exhaust sink. D) at any finite temperature if the exhaust sink were at absolute zero. E) at any finite temperature regardless of the heat sink temperature.

Q: What are the types of thermodynamic system ? Explain it in detais

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Q: The efficiency of a Carnot heat engine is 25%. It takes 4000 J of heat input. What is the heat…

A:

Q: 6. For each of the three heat engines described, state whether it violates the First Law of…

A: Temperature of hot reservoir = 600 k Temprature of cold reservoir = 300 k

Q: A heat engine operating between 80.0°C and 200°C achieves 20.0% of the maximum possible efficiency.…

A: Given, Heat engine operating between 80.0∘C and 200∘C Efficiency = 20.0 % work = 10.0 kJ

Q: Describe an imaginary process that violates both the first and the second laws of thermodynamics.

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Q: What is Carnot efficiency of a heat engine operating between the temperatures of434 C and 0 C"| Give…

A: Given Data : Temperature1 (T1) = 434 0C T1 is the temperature of hot source Temperature2 (T2) = 0 0C…

Q: 2- A heat engine absorbs 4500 J of heat energy from a hot reservoir and discards 2500 J into the…

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A: The statement given is that you can't take warm water, turn it into ice, and use the heat from the…

Q: A heat pump is a heating system that has an efficiency of about 150 %, that is, for every joule (J)…

A: Let us first look at the statement of Second Law of Thermodynamics, the Kelvin-Planck Statement:…

Q: What evidence do we have of the second law of thermodynamics?

A: There is actually a very simple derivation of the Second Law in classical thermodynamics for an…

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A: The coefficient of performance of the heat pump is Suppose the temperature of the hot region is T1…

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Q: A heat engine does 9,200 J of work per cycle while absorbing 22.0 kcal of heat from a…

A: The efficiency of the heat engine is defined as η=WQ×100% Here W is work done and Q is the heat…

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Q: Is it possible for a heat engine to operate without rejecting any waste heat to a low-temperature…

A: It is not possible for a heat engine to operate without rejecting any waste heat to a…

Q: The 2nd Law of Thermodynamics implies that a heat engine can never completely convert Heat to…

A: The answer is below

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A:

Q: Why is it  incorrect to say that the refrigerator door must be  kept close because coldness (or cold…

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A: Write the given values of this problem. ma=3 kgTi,aluminium=29.2°Cmw=1 kgTi,water=20°C

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A: Given data : Efficiency, Input heat,

Q: A Carnot engine has a power of 500 W. It operates between heat reservoirs at 100 C and 60.0 C.…

A: a) The rate of heat input is,

Q: Suppose that you put a hot object in thermal contact with a cold object and observe (much to your…

A: Introduction: According to the first law of thermodynamics, the total energy of a system remains…

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A: Given:- heat energy = Qc = -2500 J W = -1000 J

Q: Unreasonable Results - What is wrong with the claim that a cyclical heat engine does 4.00 kJ of work…

A: The net transfer of heat to the environment is, ∆Q=Qin+Qout=24.0 kJ-16.0 kJ=8.0 kJ

Q: 10. An engine has a hot reservoir that contains 20,000 J of heat energy at 327° C, and a cold…

A: Given data: The heat energy in the hot reservoir, Q1=20000 J. The heat energy in the cold…

Q: Differentiate between the reversible and irreversible process in thermodynamics.

A: Reversible processes are slow processes contains a series of stages and in stage the thermodynamic…

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A: For a heat engine , it  must reject some of the heat it receives from the high-temperature source to…

Q: Calculate the work output of a Carnot engine operating between temperatures of 600 K and 100 K for…

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Q: What is the ideal efficiency of an engine that runs at 3500 K when the surrounding air is 250 K?

A: The formula for the efficiency is given in terms of temperatures η=1-TcTh

Q: 2.3 Study the following p-V diagram in figure 1 and answer the que P (N/m) 15 - - A 10 C. + V (m)…

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Q: 24. A process whose only net result is to absorb heat from a cold reservoir and release the same…

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Q: The second law of thermodynamics states that we cannot build a perfect heat engine. Explain why.

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Q: What is the Carnot efficiency of a heat engine operating between the temperatures of 10 C and 100C?…

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Q: What is carnot efficiency of a heat engine operating between the temperatures of 381 degrees celsius…

A: Given data The higher temperature of a heat engine is: Th = 381°C = 654 K The lower temperature of a…

Q: Is a temperature difference necessary to operate a heat engine? State why or why not.

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Q: Calculate the efficierncy of a Carnot reversible heat engine working between the temperatures 127…

A: Given:  Th = 127 C = 127 + 273 = 400 K  Tc = - 73 C = - 73 + 273 = 200 K

Q: Explain why it is impossivle for any process to be more than 100% efficient.  Give an example of a…

A: Particularly the process doesn't  mentioned, so let me consider an example

Q: 14. Calculate the net work output of a heat engine following path ABCDA in the figure below. P (10°…

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Q: 44. Multiple-Concept Example 6 provides a review of the concepts thatplay roles here. An engine has…

A: Part A. Say, Work done by engine= W = 5500 J Input heat = Q Output or Rejected heat = q Efficiency…

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A: The expression for the coefficient of performance is ,