Pick out the wrong statement?
A. The Colburn jH factor for heat transfer is given by Nst Npr

B. The ratio NNu/NRe . Npr is called the Stanton number

C. The Peclet number is a measure of the ratio of energy transport by convection to that by conduction

D. Fluid movement under the influence of buoyant forces resulting from change in density takes place in case of natural convection

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