d. O If activity a must precede b and c O When two activities have the same start and ending nodes, a dummy node and activity is used to preserve the different identity of each activity. O Both activity a and activity b has to be completed first before activity c can begin. But a and b could be worked on at the same time. Performance of a is dependent on the performance of b. O When several activities enter a node, it means that all those activities must be completed first before any activities that will begin at that node can start. lo
d. O If activity a must precede b and c O When two activities have the same start and ending nodes, a dummy node and activity is used to preserve the different identity of each activity. O Both activity a and activity b has to be completed first before activity c can begin. But a and b could be worked on at the same time. Performance of a is dependent on the performance of b. O When several activities enter a node, it means that all those activities must be completed first before any activities that will begin at that node can start. lo
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:a
b.
d
O If activity a must precede b and c
O When two activities have the same start and ending nodes, a dummy node and activity is used to preserve the different identity of each activity.
O Both activity a and activity b has to be completed first before activity c can begin. But a and b could be worked on at the same time. Performance of a is dependent on the
performance of b.
O When several activities enter a node, it means that all those activities must be completed first before any activities that will begin at that node can start.
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