If u, t, v, s, h and p refer to internal energy, temperature, volume, entropy, enthalpy and pressure respectively; and subscript 0 refers to environment conditions, availability function for a closed system is given by:

If u, t, v, s, h and p refer to internal energy, temperature, volume,

1.	If u, t, v, s, h and p refer to internal energy, temperature, volume, entropy, enthalpy and pressure respectively; and subscript 0 refers to environment conditions, availability function for a closed system is given by:
A.	\[u+{{p}_{0}}v-{{T}_{0}}s\]
B.	\[u-{{p}_{0}}v+{{T}_{0}}s\]
C.	\[h+{{p}_{0}}v+{{T}_{0}}s\]
D.	\[h-{{p}_{0}}v+{{T}_{0}}s\]
Answer» B. \[u-{{p}_{0}}v+{{T}_{0}}s\]

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If u, t, v, s, h and p refer to internal energy, temperature, volume, entropy, enthalpy and pressure respectively; and subscript 0 refers to environment conditions, availability function for a closed system is given by:

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