has no bearing on the network and does not require any resources or any time has no tail event but only a head event has only head event but no tail event
Answer Discuss in Comment
grammatical purpose only logical purpose only both (a) and (b) none of the above
dummies initial events events activities
free float total float interfering float independent float
under-critical path sub-critical path secondary critical path semi-critical path
positive negative zero any value
super-critical sub-critical critical none of the above
earliest expected time and latest allowable time latest allowable time and earliest expected time latest allowable time and the pessimistic time estimate final event time and initial event time
"Scientists dream about doing great things. Engineers do them."
