Chemical Engineering Mcqs

Which of the following equations as suggested by Colebrook and White gives the increase in roughness of a new surface (ε0) with age/time (t) (where, ε = roughness of the surface after time’t’. α = a co-efficient to be experimentally determined) ?

(A)  ε = ε0 + α.t

(B)  ε = ε0 + α.t2

(C)  ε = ε0 + α.t3

(D)  ε = ε0 + α.t4

Submitted By :Ali Uppal

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