Consider the following statements: In the bar chart planning 1. Interdependence of the operations cannot be portrayed. 2. Progress of work can be measured. 3. Spare time of the activities can be determined. 4. Schedule cannot be updated. A. 1, 2 and 3 are correct B. 1 and 4 are correct C. 2, 3 and 4 are correct D. 1, 2 and 4 are correct

The correct answer is: B. 1 and 4 are correct

Bar charts are a type of project management tool that can be used to visualize the timeline and dependencies of a project. They are simple to create and use, and can be a helpful way to communicate the project plan to stakeholders.

However, bar charts have some limitations. They cannot show the interdependence of the operations, which can make it difficult to see how changes in one part of the project will affect other parts. Additionally, bar charts cannot show the spare time of the activities, which can make it difficult to identify opportunities for improvement.

Overall, bar charts are a useful tool for project planning, but they should be used in conjunction with other tools to get a complete picture of the project.

Here is a more detailed explanation of each statement:

1. Interdependence of the operations cannot be portrayed.

Bar charts can show the start and finish dates of each activity, but they cannot show how the activities are related to each other. This can make it difficult to see how changes in one part of the project will affect other parts. For example, if a task is delayed, it may not be clear which other tasks will also be delayed.

1. Progress of work can be measured.

Bar charts can be used to track the progress of work by showing the percentage of each activity that has been completed. This can be helpful for monitoring the progress of the project and identifying any potential problems.

1. Spare time of the activities can be determined.

Bar charts cannot show the spare time of the activities. This is because they do not show the actual start and finish dates of each activity. Only the scheduled start and finish dates are shown. This can make it difficult to identify opportunities for improvement, such as by overlapping activities or reducing the duration of activities.

1. Schedule cannot be updated.

Bar charts can be updated to reflect changes in the project schedule. This can be done by simply moving the bars on the chart. This can be helpful for keeping the project plan up-to-date and for communicating changes to stakeholders.