Numericals on Time Estimate and Float

(Time Estimate and Float)

1.         Information on the activities required for a project is as follows :

 Activity : 1 – 2 1 – 3 1 – 4 2 – 5 3 – 5 3 – 6 3 – 7 4 – 6 5 – 7 6 – 8 7 – 8 Duration (days) : 2 7 8 3 6 10 4 6 2 5 6

2.         A small assembly plant assembles PC’s through 9 interlinked activities. The time duration for which is given below :

 Activity : 1 – 2 1 – 3 1 – 4 2 – 5 3 – 6 3 – 7 4 – 6 5 – 8 6 – 9 7 – 8 8 – 9 Duration (hrs.) : 2 2 1 4 8 5 3 1 5 4 3

3.         A small assembly plant assembles PCs through 9 interlinked activities, the time duration for which is given below :

 Activity 1 – 2 1 – 3 1 – 4 2 – 5 3 – 6 3 – 7 4 – 6 5 – 8 6 – 9 7 – 8 8 – 9 Duration (hrs) : 2 2 1 4 8 5 3 1 5 4 3

a)      Draw a network diagram for it and calculate and tabulate for each activity: ES, EF, LS and LF times.

b)      Find the critical and sub critical paths. Calculate and tabulate all Float.

(Oct. 03)

4.         Following are the details of estimated times of activities for a certain project.

 Activity A B C D E F Immediate Predecessor /Activity – A A B, C – E Estimated Time (Weeks) 2 3 4 6 2 8

(a)     Find the critical path and expected time of the project.

(b)     Calculate the earliest start time, earliest finish time and slack for each activity.

(April 2004)

5.

 Activity : 1 – 2 1 – 3 1 – 4 2 – 5 3 – 5 3 – 6 3 – 7 4 – 6 5 – 7 6 – 8 7 – 8 Duration : 2 7 8 3 6 10 4 6 2 5 6

From the following table determine and calculate all the floats, ES, EF, LS, LF

(Oct. 2005)

6.         Activities involved in a small project are given below along with relevant information.

 Activity : 1 – 2 1 – 3 2 – 3 2 – 4 3 – 4 4 – 5 Duration : 20 25 10 12 6 10

(a)     Construct the network and find the critical path

(b)     Find and tabulate ES,EF,LF,LS, TF, Interfering float                         (April 2009)

The following two tabs change content below.

MT UVA BMS

MT UVA- University, Vocational and Affiliated Education for BMS

Like it? Share with your friends!

Choose A Format
Personality quiz
Series of questions that intends to reveal something about the personality
Trivia quiz
Series of questions with right and wrong answers that intends to check knowledge
Poll
Voting to make decisions or determine opinions
Story
Formatted Text with Embeds and Visuals
List
The Classic Internet Listicles
Countdown
The Classic Internet Countdowns
Open List
Submit your own item and vote up for the best submission
Ranked List
Upvote or downvote to decide the best list item
Meme
Upload your own images to make custom memes
Video
Youtube and Vimeo Embeds
Audio
Soundcloud or Mixcloud Embeds
Image
Photo or GIF
Gif
GIF format