GATE Questions & Answers of Project planning and Network analysis - PERT and CPM.

What is the Weightage of Project planning and Network analysis - PERT and CPM. in GATE Exam?

Total 5 Questions have been asked from Project planning and Network analysis - PERT and CPM. topic of Construction Materials and Management subject in previous GATE papers. Average marks 1.60.

The activity details of a project are given below:

Activity Depends on Duration (in days)
P -- 6
Q P 15
R Q,T 12
S R 16
T P 10
U Q,T 14
V U 16

The estimated minimum time (in days) for the completion of the project will be ___________

For a construction project, the mean and standard deviation of the completion time are 200 days and 6.1 days, respectively. Assume normal distribution and use the value of standard normal deviate z = 1.64 for the 95% confidence level. The maximum time required (in days) for the completetion of the project would be _______________

The Optimistic Time (O), Most likely Time (M) and Pessimistic Time (P) (in days) of the activities in the critical path are given below in the format O-M-P.

The expected completion time (in days) of the project is _________

A construction project consists of twelve activities. The estimated duration (in days) required to complete each of the activities along with the corresponding network diagram is shown below.

Activity Duration (days) Activity Duration (days)
A Inauguration 1 G Flooring 25
B Foundation work 7 H Electrification 7
C Structural construction-1 30 I Plumbing 7
D Structural construction-2 30 J Wood work 7
E Brick masonry work 25 K Coloring 3
F Plastering 7 L Handing over function 7




Total floats (in days) for the activities 5-7 and 11-12 for the project are, respectively,


The activity-on-arrow network of activities for a construction project is shown in the figure. The durations (expressed in days) of the activities are mentioned below the arrows.

The critical duration for this construction project is