PNC Infratech Planning Engineer Interview Questions and Answers

WBS stands for Work Breakdown Structure, which is a hierarchical decomposition of the total scope of work to be carried out by the project team.

• WBS for a highway project would include major components like earthwork, pavement, drainage, signage, lighting, etc.

• WBS for a structure project would include components like foundation, superstructure, finishes, MEP (mechanical, electrical, plumbing), etc.

• Each major component i...read more

S-Curve in Primavera is a graphical representation of project progress over time.

• S-Curve shows the planned and actual progress of a project.

• It helps in visualizing the project's performance and identifying any deviations from the plan.

• The curve is shaped like an 'S' due to the gradual increase in progress at the beginning and end, with a steeper slope in the middle.

• The x-axis represents time, and the y-axis represents ...read more

Free float is the amount of time an activity can be delayed without delaying the project, while total float is the amount of time an activity can be delayed without delaying the successor activity.

• Free float is specific to an activity, while total float is related to the entire project schedule.

• Free float is calculated by subtracting the early start of the activity from the early start of the successor activity, while ...read more

Time limited projects have fixed deadlines while resource limited projects have fixed resources.

• Time limited projects require completion by a specific deadline.

• Resource limited projects have a fixed amount of resources available.

• Balancing time and resources is crucial for project success.

• Example: A construction project with a deadline to finish before winter (time limited) vs a project with a fixed budget (resource lim