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JSSC JE (ME) :QUIZ-24 || Entropy

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Question 1

The entropy of a system

Question 2

Which of the following relation true regarding change in entropy of a perfect gas?

Question 3

A 75 ohm resistor carrying a constant current of 1 A is kept at a constant temperature of 27 °C by a stream of cooling water. In a time interval of 1s. What is the change in entropy of the universe?

Question 4

Which of the Statement is true regarding entropy?

Question 5

Which of the following is correct for decreasing the entropy of the system?

Question 6

The state at which the enthalpy and entropy of a system reach their minimum value?

Question 7

Which of the following equation is valid?

Question 8

An ideal gas contained in a piston-cylinder arrangement as shown in the figure is Quasi-statically compressed such that the temperature of the gas remains at 27. During this compression 1200 J of work is done on the gas, then entropy change of the gas is

Question 9

The entropy of an isolated system :

Question 10

Which of the following is true?
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Jun 19AE & JE Exams