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Question

Given impeller diameter $D$ , speed of rotation $n$ and air density $\rho$ , for geometrically similar fans, the fan pressure is proportional to

MCQ

$nD^2\rho$ .

$n^2D^2\rho$ .

$n^2D^5\rho^2$ .

$n^3D^5\rho$ .

Solutions

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