A drawback of the precedence diagramming method is that it cannot be used unless dummy activities are employed. True False

True

Explanation:

This is ways engineers relate with there systems , they have to carry out a lot of test, they need to put the diagramming into practice, carryout several test to see if the solution is the best fit to the problem.

Yes the draw back exist because the diagramming is just a paper or a documents that explains the nature ,it can't be used unless the realistic form is created ,test can't be created out on the diagramming representation that is why it is a big set back unless a proto type is created to carry it testing .

answer to ur question is college b