Dummy Activities (Edexcel A-Level Further Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the duration of a dummy activity in an activity network?
What is the duration of a dummy activity in an activity network?
Zero
How is a dummy activity represented in an activity network?
How is a dummy activity represented in an activity network?
Dashed arrow
What resource requirements does a dummy activity have?
What resource requirements does a dummy activity have?
None
Why are dummy activities used to avoid ambiguity?
Why are dummy activities used to avoid ambiguity?
Prevent identical start and end nodes
When is a dummy required according to the placement rule?
When is a dummy required according to the placement rule?
Same nodes & different predecessors
What is a key reason for using dummy activities?
What is a key reason for using dummy activities?
Maintain unique dependencies
What happens if necessary dummy activities are forgotten?
What happens if necessary dummy activities are forgotten?
Ambiguous or incorrect networks
What is a common mistake when interpreting dummy activities?
What is a common mistake when interpreting dummy activities?
Treating them as real tasks
How do dummy activities help ensure logical flow?
How do dummy activities help ensure logical flow?
Keep network consistent with table
What problem arises from adding redundant dummy activities?
What problem arises from adding redundant dummy activities?
No ambiguity resolved