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Q. |
In case of a Medium runner, tan (α1) CANNOT be given by (α1 = Guide vane angle at inlet)? |
A. | vf1 / vw1 |
B. | vr1 / vw1 |
C. | vr1 / u1 |
D. | vw1 / u1 |
Answer» D. vw1 / u1 | |
Explanation: in medium runner, vf1 = vr1 & vw1 = u1. vw1 and u1 are along the same direction, hence that cannot be written as tan (α1). |
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