In a turbine, the fluid expands almost_________________?
Correct answer: C. Adiabatically
- A. Isothermally
- B. Isobarically
- C. Adiabatically
- D. None of these
Explanation
A turbine is usually well insulated and has a short residence time, so heat transfer is negligible and the expansion is approximately adiabatic. It is not normally isothermal or isobaric because temperature and pressure both fall during expansion.
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