NPTEL Project Management Week 5 Assignment Answers 2024
1. If ta, tm and tb are the optimistic time, most likely time and pessimistic time respectively in PERT network then the expected value formulae is
- (ta + 3tm + tb)/6
- (ta + 4tm + tb)/6
- (ta – 4tm + tb)/6
- (ta – 3tm + tb)/6
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2. Note: For Question # 2 to Question # 4 one should use data given which is as follows: The tasks, their respective precedence and their respective times for a job which has these activities, are given as follows
The time to complete the job is:
- 21
- 24
- 26
- 27
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3. The ES and EF for activity C is
- ES = 0 and EF = 2
- ES = 10 and EF = 13
- ES = 5 and EF = 8
- ES = 7 and EF = 10
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4. Float is available for activity/activities
- Activities A and B
- Activity A
- Activity B
- Activities C and D
Answer :-
5. For the Project network shown, answer the Questions 5 and 6 based on the data provided. What is the critical path?
- A-B-E-H-K
- A-B-E-G-J
- C-D-E-G-I-K
- C-D-E-G-J
Answer :-
6. What is the probability of meeting a desired 26 weeks completion time?
- 0.2159
- 0.2060
- 0.2476
- 0.1867
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7. An important assumption in PERT calculations is:
- Activity times are normally distributed.
- Activity times are independent.
- A and B
- A and C
Answer :-
8. Which is/are features of PERT/CPM?
- An estimate of how long a project will take.
- A graphical display of project activities.
- An indication of critical activities.
- All the above
Answer :-
9. In PERT, slack time equals
- EST + t
- LST – EST
- Zero
- EFT – EST
Answer :-
10. Which of the following is one of the assumptions of PERT?
- Total project completion time follows a normal probability distribution.
- Activity times are dependent and correlated.
- Project completion time follows a skewed chi-square distribution.
- Activity times are known with certainty.
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