Question

1. Activity network diagram is used to develop a work schedule for the facilities design effort. Activity A to K is descried as follows: A with a duration of 2 month; B has immediate predecessor of A with total duration of 4 month; C has immediate predecessor of (A) with total duration of 2 month; (D) has immediate predecessor of B with total duration of 2month; (E) has immediate predecessor of B and C with total duration of 4 month; (F) has immediate predecessor of A and E with total duration of 6 month; (G) has immediate predecessor of D with total duration of 4 month; (H) has immediate predecessor of D, E, F with total duration of 2 month; (I) has immediate predecessor of H, F with total duration of 6 month; (J ) has immediate predecessor of H and F with total duration of 6 month, (K) has immediate predecessor of H, I, J with total duration of 4 month. What is the project duration and the critical activities?

		28 months and A, B, E, F, H, I, J, and K
		28 months and A, B, E, H, F, I, J, and K
		27 months and A, B, E, F, H, I, J, and K
		27 months and A, B, E, H, F, I, J, and K

Answer 1

here both i and j are part of critical path .hence it is critical activity here both option A and B are same only.

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