What type of drawing shows the sequential steps within the computer or safety system?
A. Elevation diagram
B. Process schematic
C. Loop diagram
D. Logic diagram
A. Incorrect. An elevation diagram shows the relationship of equipment to ground level and other structures.
B. Incorrect. A process schematic is the screen display used by control room operators to control unit operations.
C. Incorrect. A loop diagram shows all components and connections between instrumentation and the control room.
D. Correct. A logic diagram shows the sequential steps within the computer or safety system.
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