Which one of the following is not normally a characteristic of major capital expenditure projects?

The correct option is (b)

The major capital expenditure normally involves long term horizon and so uncertainty is inevitable.  

Answer is B: The cost can be estimated with a fair degree of certainity.
Capital expenditure projects are of long term in nature.
In the long run certainity is a question Mark.
  The others are of its characteristic ush as the benefit arise over a number of yrs, is likely to involve considerable expenditure, it is an impartant part of a company's strategic planning.