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2) Consider the velocity triangle illustrated for a particular rotor. Here, 3=-2. Show that = 2 tan 3 - 2. Is this a turbine

2) Consider the velocity triangle illustrated for a particular rotor. Here, 3=-2. Show that = 2 tan 3 - 2. Is this a turbine or compressor rotor? V3 +0 3. V W Z or

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