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JSSC JE (ME) :QUIZ-25 || Availability and Irreversibility

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Question 1

Which of the following is the correct statement about availability ?

Question 2

Which of the following is correct about a dead state ?

Question 3

What will be the work potential wasted if entropy change of the system and surroundings are -5 KJ/Kg.K and 10 KJ/Kg.K respectively. Given that the surrounding temperature is 300 K

Question 4

Which theorem or law states that the rate of loss of availability in a process is proportional to the rate of entropy generation?

Question 5

A Carnot cycle is working between the temperature limits 27⁰C and 327⁰C. Heat supplied through the source is 600kJ. Determine the unavailable energy

Question 6

What will be the loss of available energy associated with the transfer of 1000 kJ of heat from constant temperature system at 600 °K to another at 400 °K when the environment temperature is 300 °K?