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Past Year Questions: Network Models Mechanical Engineering Notes | EduRev

Mechanical Engineering : Past Year Questions: Network Models Mechanical Engineering Notes | EduRev

The document Past Year Questions: Network Models Mechanical Engineering Notes | EduRev is a part of the Mechanical Engineering Course Manufacturing and Industrial Engineering.
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Question 1:Consider the given project network, where numbers along various activities represent normal time. The free float on activity 4-6 and the project duration, respectively, are

[2014]

Question 2:If duration of activity f is changed to 10 days, then the critical path for the project is

[2012]

Question 3: The critical path for the project is

[2012]

Question 4:The  project activities, precedence relationships and durations are described in the table. The critical path of the project is

[2010]

Question 5: For the network below, the objective is to find the length of the shortest path from node P to node G. Let dij be the length of directed arc from node i to node j.Let sj, be the length of the shortest path from P to node j. Which of the following equations can be used to find SG?

[2008]

Question 6:A project has six activities (A t o F ) w it h respective activity durations 7,5,6,6,8,4 days.The network has three path A-B, C-D and EF. All the activities can be crashed with the same crash cost per day.The number of activities that need to be crashed to reduce the project duration by 1 day is

[2005]

Question 7:An assembly activity is represented on an Operation Process Chart by the symbol

[2005]

Question 8: A project consists of activities A to M shown in the net in the following figure with the duration of the activities marked in daysThe project can be completed

[2003]

Question 9:The symbol used for Transport in work study is

[2003]

Question 10:In the construction of networks , dummy activities are introduced in order to

[1990]

Question 11:In PERT chart, the activity time distribution is

[2016]

Question 12:The standard deviation of the critical path is

[2009]

Question 13:Consider the following PERT network:

The optimistic time, most likely time and pessimistic time of all the activities are given in the table below:The critical path duration of the network (in days) is

[2009]

Question 14:The expected time (te) of a PERT activity in terms of optimistic time (t0), pessimistic time (tp) and most likely time (tl) is given by

[2006]

Question 15:The standard deviation of the critical path of the project is

[2006]

Question 16:Consider a PERT network for a project involving six tasks (a to f)

The expected completion time of the project is

[2006]

Question 17: In PERT analysis a critical activity has

[2004]

Question 18:A dummy activity is used in PERT network to describe

Question 19: In PERT, the distribution of activity times is assumed to be

[1995]

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Manufacturing and Industrial Engineering

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