The adiabatic saturation curve for a vapour-gas mixture is

1.	The adiabatic saturation curve for a vapour-gas mixture is
A.	straight line.
B.	slightly concave upward.
C.	slightly concave downward.
D.	none of these.
Answer» C. slightly concave downward.

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The adiabatic saturation curve for a vapour-gas mixture is

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