engineering recuitment APSC AE Civil 2020 Test Series Construction Materials and Management Project Planning
Activity A, Activity B and Activity C are cast into a ladder diagrammatic CPM network, with splitting each into three equal parts as A1, A2, A3 and B1, B2, B3; and C1, C2, C3 Typical sequencing as in a ladder diagram is adopted (like B2 following A2 and B1). The optimum number of dummy arrows needed for a satisfactory and correct ladder diagram will be
1
1
2
2
3
3
4
4