Given: \[{{v}_{w\,2}}=\] velocity of whirl at outlet \[{{u}_{2}}=\]Peripheral velocity of the blade tips The degree of reaction in a centrifugal compressor equal to:

\[1-\frac{2{{v}_{w\,2}}}{{{u}_{2}}}\]

\[1-\frac{{{v}_{w\,2}}}{2{{u}_{2}}}\]

\[1-\frac{{{u}_{2}}}{2{{v}_{w\,2}}}\]

\[1-\frac{{{v}_{w\,2}}}{{{u}_{2}}}\]

Given: \[{{v}_{w\,2}}=\] velocity of whirl at outlet

1.	Given: \[{{v}_{w\,2}}=\] velocity of whirl at outlet \[{{u}_{2}}=\]Peripheral velocity of the blade tips The degree of reaction in a centrifugal compressor equal to:
A.	\[1-\frac{{{v}_{w\,2}}}{2{{u}_{2}}}\]
B.	\[1-\frac{{{u}_{2}}}{2{{v}_{w\,2}}}\]
C.	\[1-\frac{2{{v}_{w\,2}}}{{{u}_{2}}}\]
D.	\[1-\frac{{{v}_{w\,2}}}{{{u}_{2}}}\]
Answer» C. \[1-\frac{2{{v}_{w\,2}}}{{{u}_{2}}}\]

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Given: \[{{v}_{w\,2}}=\] velocity of whirl at outlet \[{{u}_{2}}=\]Peripheral velocity of the blade tips The degree of reaction in a centrifugal compressor equal to:

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