The critical pressure ratio is given by (where p‚Äö√á√Ö = Initial pressure of steam, and p‚Äö√á√á = Pressure of steam at throat or critical pressure)#

p‚Äö√á√Ö + p‚Äö√á√á

p‚Äö√á√Ö. p‚Äö√á√á

p‚Äö√á√Ö/p‚Äö√á√á

p‚Äö√á√á/p‚Äö√á√Ö

The critical pressure ratio is given by (where p‚Äö√á√Ö = In

1.	The critical pressure ratio is given by (where p‚Äö√á√Ö = Initial pressure of steam, and p‚Äö√á√á = Pressure of steam at throat or critical pressure)#
A.	p‚Äö√á√Ö. p‚Äö√á√á
B.	p‚Äö√á√Ö/p‚Äö√á√á
C.	p‚Äö√á√á/p‚Äö√á√Ö
D.	p‚Äö√á√Ö + p‚Äö√á√á
Answer» D. p‚Äö√á√Ö + p‚Äö√á√á