Chemical Engineering Thermodynamics

Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work.

  • A. Isothermal
  • B. Adiabatic
  • C. Isentropic
  • D. None of these
Answer: Option A.
Explanation: 

The isentropic process is nothing but reversible adiabatic process since between the isothermal and adiabatic process the isothermal process has maximum area under P−V
diagram the isothermal process will have maximum work done during expansion. Since the slope of p−v
plot for adiabatic process is greater than isothermal process.

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