Mechanical Engineering - Steam Nozzles and Turbines - Discussion

Discussion Forum : Steam Nozzles and Turbines - Section 3 (Q.No. 35)
35.
For a Parson's reaction turbine, if α1 and α2 are fixed blade angles at inlet and exit respectively and β1 and β2 are the moving blade angles at entrance and exit respectively, then
α1 = α2 and β1 = β2
α1 = β1 and α2 = β2
α1 < β1 and α2 > β2
α1 = β2 and β1 = α2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
10 comments Page 1 of 1.

Ashish said:   4 years ago
I think option B is correct.

Naveen said:   6 years ago
Answer D is correct as per the combined velocity triangle diagram of Parson's turbine.
(1)

Praveen said:   6 years ago
Answer is B.

Yash rajput said:   6 years ago
Please explain the correct answer.

Rahul said:   7 years ago
The correct answer is B.

Ref: RS Khurmi.

Mahesh said:   7 years ago
I think it is B.

Ref: R S Khurmi.
(1)

Veerendar said:   8 years ago
Yes. Option D is correct.
(1)

Waseem said:   8 years ago
D is the right answer.
(1)

Anjali said:   8 years ago
Yes, option D is right. I also agree.
(2)

Nab said:   9 years ago
According to PK Nag Book, the answer is option D.
(1)

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