Answer :
Final answer:
The General Arrangement Diagram is the diagram that shows the physical relationship of plant items, detailing plant layout with the placement and connections of equipment. Other diagrams, while important, do not depict the plant's overall physical arrangement.
Explanation:
The diagram that accurately depicts the physical relationship of plant items is the General Arrangement Diagram (Option A). This diagram provides a comprehensive overview of the entire plant layout including equipment placement and their interconnections with process and utility piping systems. It serves as a primary reference source for plant layout and design, facilitating operation, maintenance, and safety procedures.
On the other hand, Piping and Instrumentation Diagram (Option B) depicts the interaction of process equipment and system interfacing--indicative of process flow, not physical placement. Engineering Detail Drawing (C) provides intricate details of individual equipment, not an overall relationship. Process Flow Diagram (Option D) only represents the process steps and flow directions, not physical locations. Finally, 6 View Orthographic Projection Drawings (Option E) are used for detailed three-dimensional representation of individual items, and do not show overall plant arrangement.
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