Q214
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
AnswerB.
ε = ε0 + α.t2
C.
ε = ε0 + α.t3
D.
ε = ε0 + α.t4
Answer: Option A
Solution
Answer: Option A
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