ES Early finish EF Late start LS Late finish LF Slack time S A B 10 10 10 20 10

Es early finish ef late start ls late finish lf slack

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(ES) Early finish (EF) Late start (LS) Late finish (LF) Slack time (S) A 0 0 0 0 0 0 B 10 0 10 10 20 10 C 20 0 20 0 20 0 D 30 20 50 50 80 30 E 20 20 40 20 40 0 F 40 40 80 40 80 0 G 20 80 100 80 100 0 H 0 100 100 100 100 0 Critical Path A-C-E-F-G-H ZERO – SLACK ACTIVITIES Critical path: 1. The path, which has Zero- slack activities. 2. T he longest path
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No. 9/83 A,0 B,10 C,20 D,30 E,20 F,40 G,20 H,0 Critical path: 1. The path, which has Zero- slack activities. 2. The longest path 1. The path, which has Zero- slack activities. Critical path: A-C-E-F-G-H Duration = 100 hours 2. The longest path : Possible Path Duration (hours) A-B-D-G-H = 0+10+30+20+0 = 60 A-B-E-F-G-H = 0+10+20+40+20+0 = 90 A-C-D-G-H 70 A-C-E-F-G-H 100 CRITICAL PATH a. How long the total process time will take ? 100 hours b. Which jobs can be delayed without delaying the early start of any subsequent activity? (slack ) ( B and D) B has slack time (extra time) 10 hours D has slack time (extra time) 30 hours
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