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Question
An arrow represents
,d rhj D;k n'kkZrk gS\
A.
an event
B.
an activity
C.
a dummy activity
D.
slack
Answer ( Option B)

an activity

Solution

Activity: 
• All projects may be viewed as being composed of operations or tasks called activities which require the expenditure of time and resources for their accomplishment. 
• An activity is depicted by a single arrow (?) on the project network. The activity arrows are called arcs. 
• The activity arrow is not scaled, the length of the activity time is only a matter of convenience and clarity, and does not represent the importance of time. 
• The head of the arrow shows the sequence or flow of activities. 
• An activity cannot begin until the completion of its preceding activities.

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