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1. What are the three principal diagrams used in the chemical process industries? 2. Which of the three types of diagrams would one use to: a) Give a group of visiting chemical engineering students an overview of a plant's process? b) Make a preliminary capital cost estimate? c) Trace down a fault in a control loop? 3. In what type of flowsheet could one expect to find pipe diameters and materials of construction? 4. To what extent are instruments and control indicated in each of the three types of diagrams? 5. How are process equipment identified on a flow diagram? 6. How is the continuity between drawing sheets indicated on a flow diagram