Are practice exams- Ballast Pjm number 141

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Maria Tejero-Campos

February 17, 2021 05:29

Can someone please help me if I am understanding this question on ballast #141 on pjm practice exams:

.141. Which of these statements regarding scheduling is correct

one of the answers is

Sequencing is generally depicted in the bar chart. This is the correct answer. However if you look at Ballast explanation , it says”Sequencing can not be shown accurately on a bar chart.....

then they explained about the giant chart...

Did anyone encounter this problem that for me, it looks like the answer they have was not the best answer given.

thank you

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  Yvette Louka February 17, 2021 17:32

  For me the correct  answer is D. This is very confusing.

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  Mark Baker March 31, 2021 02:03

  Bar Charts represent the LENGTH OF TIME a project task will take.

  Bar charts can be generally arranged on a weekly schedule chart.

  However, even if bar charts look sequential - they DO NOT SHOW the RELATIONSHIP between one tasks bar and another tasks bar.  I.e. there is no connection between the items. 

  For example, ceiling grid must be installed before light fixtures are installed.  A bar chart will show ceiling grid taking 4 weeks and below that light fixtures taking 2 weeks.  But there is nothing to indicate that ceiling grid has to be complete before light fixtures are installed, or that light fixtures occur in any relation to the ceiling grid.  Would be better shown with graphics of course.

  Mark, Archizam - ARE 5.0 Practice Exams

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