If a gas of volume 6000cm3 and at a pressure of 100kPa is compressed quasi-statically ac-cording to PV2 = constant until the volume becomes 2000cm3, determine the work transfer from the system
  • a)
    -1.2KJ
  • b)
    -1.2MJ
  • c)
    1.2KJ
  • d)
    1.2MJ
Correct answer is option 'A'. Can you explain this answer?

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Answers

Bank Exams India
Aug 19, 2021
w = p1v1 − p2v2 = (100 × 6000 × 10
3 × 10−6 − 900 × 103 × 2000 × 10−6) = −1200j = −1.2kj

w = p1v1 − p2v2 = (100 × 6000 × 103 × 10−6 − 900 × 103 × 2000 × 10−6) = −1200j = −1.2kj
w = p1v1 − p2v2 = (100 × 6000 × 103 × 10−6 − 900 × 103 × 2000 × 10−6) = −1200j = −1.2kj