The critical pressure ratio is given by (where p1 = Initial pressure o – McqOptions

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1.	The critical pressure ratio is given by (where p1 = Initial pressure of steam, and p2 = Pressure of steam at throat or critical pressure)
A.	p1 p2
B.	p1/p2
C.	p2/p1
D.	p1 + p2
Answer» D. p1 + p2

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