Selection Among Alternatives
Engineering or business projects can be accomplished by more than one method or alternatives. The alternatives are developed from project proposals to achieve a stated purpose. The alternatives may be classified as one of the following:
Mutually Exclusive: When the selection of one alternative excludes the choice of any other alternative being considered, the alternatives are classified as mutually exclusive. A mutually exclusive alternative selection takes place, for example, when a person must select the one best diesel driven car from several competing models.
Independent: When more than one economically viable alternative can be selected, the alternatives are classified as independent. ...