Select the correct statement. Options: A . &nbspThe absolute roughness of a pipe de-creases with time B . &nbspA pipe becomes smooth after using for long time C . &nbspThe friction factor decreases with time D . &nbspThe absolute roughness increases with time

Select the correct statement.

Question

Select the correct statement.

Options:

A . The absolute roughness of a pipe de-creases with time

B . A pipe becomes smooth after using for long time

C . The friction factor decreases with time

D . The absolute roughness increases with time

Answer: Option D

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