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GATE2016-2-13

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The volumetric flow rate (per unit depth) between two streamlines having stream functions $\Psi _1$ and $\Psi _2$ is

  1. $\mid \Psi _1+\Psi _2\mid$
  2. $\Psi _1\Psi _2$
  3. $\Psi _1/\Psi _2$
  4. $\mid\Psi _1-\Psi _2\mid$
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