In order to understand the correct situation in which to use the word affect or effect, the first thing one must do is have a clear understanding of what each word means. 1  Affect is usually used as a verb. It is an action word that means to produce a change in or influence something. 2  Effect is usually used as a noun.
Shear Factor. The distance a point moves due to shear divided by the perpendicular distance of a point from the invariant line.
To calculate the C-Factor, measure the flow, pipe diameter, distance between pressure gauges, and the friction, or energy loss, between the gages. Input each factor in the following equation and solve for C-Factor: