Industrial Engineering And Production Management - Study Mode

[#136] A dummy activity in a net work diagram
Correct Answer

(D) All of these

Explanation

Solution: Dummy activities often have a zero completion time and are used to represent precedence relationships that cannot be easily represented using the actual activities involved in the project. By convention dummies are always shown as dotted arcs in network diagrams.

[#137] An activity of the project is graphically represented by ________ on the network diagram.
Correct Answer

(C) An arrow

Explanation

Solution: An activity of the project is graphically represented by An arrow on the network diagram.

[#138] Which of the following are the guidelines for the construction of a network diagram?
Correct Answer

(D) All of the above

Explanation

Solution: Guidelines for constructing network diagrams: - Each activity is represented by only one arrow - An arrow can represent only one activity - If two or more activities are identified with the same start & end events. Dummy activity/activities need to be introduced in the network - Before an activity can be started all preceding activities must be completed - The flow of diagram is from left to right - The arrows are not to the scale - Arrows should be straight - Unless absolutely unavoidable, arrows should not be crossed

[#139] Which of the following statement is correct about the network diagram?
Correct Answer

(D) All of the above

Explanation

Solution: Following statement is correct about the network diagram - The events are represented graphically by circles or nodes at the beginning and the end of activity by arrows. - The tail end of the arrow represents the start of an activity. - The head of the arrow represents the end of an activity.

[#140] Valve analysis is particularly of interest when
Correct Answer

(B) Production is on large scale

Explanation

Solution: Valve analysis is particularly of interest when Production is on large scale