1.

Which of the following equations as suggested by Colebrook and White gives the increase in roughness of a new surface (? 0 ) with age/time (t) (where, ? = roughness of the surface after time' t '. ? = a co-efficient to be experimentally determined)?

A. ? = ? 0 + ?. t
B. ? = ? 0 + ?. t 2
C. ? = ? 0 + ?. t 3
D. ? = ? 0 + ?. t 4
Answer» B. ? = ? 0 + ?. t 2


Discussion

No Comment Found

Related MCQs