**NPTEL Project Management Week 5 Assignment Answers:-** In this post, we have provided the answers to the NPTEL Project Management Week 5

## NPTEL Project Management Week 5 Assignment Answers 2022

Q1. Which is/are features of PERT/CPM?

- An estimate of how long a project will take.
- A graphical display of project activities.
- All the above

Answer:-All the above

Q2. In PERT, slack time equals

- LST – EST
- Zero
- EFT – EST

Answer:-LST - EST

Q3. 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.

Answer:-Total project completion time follows a normal probability distribution.

Q4.

**For the Project network shown, answer the Questions 4 and 5 based on the data provided.**What is the critical path?

- A-B-E-H-K
- C-D-E-G-I-K
- C-D-E-G-J

Answer:-C-D-E-G-I-K

Q5. What is the probability of meeting a desired 26 weeks completion time?

- 0.2159
- 0.2060
- 0.2476
- 0.1867

Answer:-0.2159

Q6. An important assumption in PERT calculations is:

- Activity times are normally distributed.
- Activity times are independent.
- A and B
- A and C

Answer:-Activity times are independent.

Q7. If ta, tm and tb are the optimistic time, most likely time and pessimistic time respectively in PERT network then the expected value formula is

- (ta + 3tm + tb)/6
- (ta + 4tm + tb)/6
- (ta – 4tm + tb)/6
- (ta – 3tm + tb)/6

Answer:-(ta + 4tm + tb)/6

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

Answer:-26

Q9. The ES and EF for activity C is

Answer:-ES = 7 and EF = 10

Q10. Float is available for activity/activities