Question
Given the following task time estimates (HOURS), Task Time Predecessor A 40 B 20 C 25 A D 19 A, B E 25 C, D
Given the following task time estimates (HOURS),
Task | Time | Predecessor |
A | 40 | |
B | 20 | |
C | 25 | A |
D | 19 | A, B |
E | 25 | C, D |
F | 24 | E |
G | 18 | F |
a. How long is the project length? [ Select ] ["135.78", "127.45", "134.83", "122.00", "132.00"] .
b. What tasks form the critical path? [ Select ] ["A, D, E, F, G", "A, C, E, F, G", "B, C, D, E, F, G", "A, B, C, E, F, G", "B, D, E, F, G"]
c. What is the LS/LF for activity D.? [ Select ] ["34.56 and 4.78", "46 and 65", "44 and 55", "50.19 and 7.08", "65 and 90"] .
d. How much slack is there in activity C? [ Select ] ["6 hours", "8.34 hours", "12 hours", "0", "29 hours"] How much slack in activity D? [ Select ] ["28 hours", "0, it is on the critical path", "6 hours", "26 hours", "5 hours"]
e. What if activity D. was delayed by 7 hours, what would be the project length and critical path? [ Select ] ["130 hours; B, C, E, F, F", "132 hours; A, C, D, E, F, G", "no change in either the critical path or project length", "132 hours; A, C, D, E, F, G", "134 hours; A, C, E, F, G"]
f. Referring to letter e., how much slack would be in activity B.? [ Select ] ["20 hours", "26 hours", "0 (zero), it is now on the critical path", "8 hours", "6 hours"]
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