Problem 2: It is claimed that a certain cyclical heat engine operates between the temperatures of TH = 444°C and Tc = 148°C and performs W= 4.02 MJ of work on a heat input of QH = 4.93 MJ. Part (a How much heat, in megajoules, would be discharged into the low-temperature reservoir? Oc =

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Chapter1: Units, Trigonometry. And Vectors
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Please answer all the parts of the question
Problem 2: It is claimed that a certain cyclical heat engine operates between the temperatures of TH = 444°C and Tc=148°C and performs W= 4.02
MJ of work on a heat input of 0H =4.93 MJ.
Part (a How much heat, in megajoules, would be discharged into the low-temperature reservoir?
Oc =
Transcribed Image Text:Problem 2: It is claimed that a certain cyclical heat engine operates between the temperatures of TH = 444°C and Tc=148°C and performs W= 4.02 MJ of work on a heat input of 0H =4.93 MJ. Part (a How much heat, in megajoules, would be discharged into the low-temperature reservoir? Oc =
Part (b) Which choice, by itself, is unreasonable about the claim?
The efficiency is greater than the Carnot efficiency for the stated temperatures.
The work performed is less than the heat input.
All of these.
None of these.
The temperature difference is greater than 273.15 K.
Transcribed Image Text:Part (b) Which choice, by itself, is unreasonable about the claim? The efficiency is greater than the Carnot efficiency for the stated temperatures. The work performed is less than the heat input. All of these. None of these. The temperature difference is greater than 273.15 K.
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