Which of the following equations represent the correct critical pressu – McqOptions

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1.	Which of the following equations represent the correct critical pressure ratio?
A.	( frac{P_1}{P_2} = ( frac{2}{n+1})^ frac{n}{n-1} )
B.	( frac{P_2}{P_1} = ( frac{2}{n-1})^ frac{n}{n-1} )
C.	( frac{P_2}{P_1} = ( frac{2}{n+1})^ frac{n}{n-1} )
D.	( frac{P_2}{P_1} = ( frac{2}{n+1})^ frac{n}{n+1} )
Answer» D. ( frac{P_2}{P_1} = ( frac{2}{n+1})^ frac{n}{n+1} )

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