GATE XE (Engineering Sciences) 2007 - Question 100

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Section: Thermodynamics | Marks: 2

Consider an ideal gas in a frictionless piston cylinder assembly. The weightless piston is initially loaded with a large number of small weights. How would you carry out a reversible isothermal expansion process? Assume that a large number of very small weights, and an arrangement for reversible heat transfer are available.

  • A. without adding or removing weights on the piston, transfer heat to the system
  • B. without adding or removing weights on the piston, transfer heat from the system
  • C. adding weights on the piston, transfer heat to the system
  • D. removing weights from the piston, transfer heat to the system

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