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In a De-Laval nozzle expanding superheated steam from 10 bar to...

This question belongs to Mechanical Engineering Steam Boilers, Engines, Nozzles And Turbines
Steam Boilers, Engines, Nozzles and Turbines
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In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, p2) will be

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Correct Answer: Option B
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2 Comments
Madhavan Palmani
Madhavan Palmani 7 years ago
Pressure Ratio:

For Gas : 0.462.
For Wet : 0.582.
For Saturated : 0.577.
For Super Heated :0.546
Kasuta Jatt
Kasuta Jatt 7 years ago
N=1.3 for superheated
P2/p1= [2/(n+1)]*n/n-1
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