Final answer:
Petra is fulfilling the role of a team leader in her engineering project by managing workflow, providing conflict resolution, and communicating effectively with team members.
Step-by-step explanation:
Petra is playing the role of a project leader or team leader within the engineering team. As a team leader, she is responsible for managing the workflow, ensuring that members are progressing with their tasks, and providing conflict resolution when needed. This involves effective communication to align the team's efforts and keeping the project on track while fostering a collaborative environment.
Petra must also possess interpersonal skills to engage with her team and promote a productive work atmosphere. Her ability to offer psycho-social support indicates a skill in balancing the technical aspects of engineering with the human elements of teamwork and project management.