8/13 80% + Question 3 DENS101 January 2022 Assessment Period (First St SECTION B (Attempt ONLY TWO from FOUR) (Maximum 20 marks for each question) a) Create a manufacturing activity network by including each manufacturing activity in Table Q3. Clearly identify the critical path and list all the activity paths with the times for each path. [10 marks] b) Include the activity box for activities B, C & E in Table Q3 to show the early start & finish times; late start & finish times; activity duration time; and slack times. [6 marks] Table Q3 Manufacturing activities, activity durations and preceding activities Activity Activity Preceding Duration Activities (minutes) A 5 F B 3 C 2 D la 8 C. E E 6 F 4 B.I 10 G 7 E H 6 J 1 5 J J 4 D K 5 B c) Draw, label and briefly explain each stage of an engineering equipment lifecycle for failure rate versus time. Use a graph to ilustrate your answer and briefly state the impact of each stage of the lifecycle on the critical path time and slack times. [4 marks] Question 4 begins on the next page. Turn Over. of 13