For a compressible fluid, sonic velocity is

1.	For a compressible fluid, sonic velocity is
A.	a property of the fluid
B.	always given by
C.	where , R and T are respectively the ratio of specific heats, gas constant and temperature in K
D.	always greater then the velocity of fluid at any location
E.	Both A and B
Answer» F.

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For a compressible fluid, sonic velocity is

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