Mechanical Engineering - Steam Nozzles and Turbines - Discussion

Discussion Forum : Steam Nozzles and Turbines - Section 2 (Q.No. 14)
14.
The critical pressure ratio for initially dry saturated steam is
0.546
0.577
0.582
0.601
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Dipu said:   6 years ago
For superheated steam: 546.
For dry saturated: 577.
For wet steam: 582.

Balu said:   8 years ago
The given answer is wrong.

Wet steam, n=1.135. Pressure ratio .577.
Superheated steam..n=1.3, P.R is 0.546.
Air, n=1.4, P.R is 0.528.

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