What do symbols represent in a process flow diagram?
A. Power sources required by the process
B. The starting point of the process
C. Sections of a process
D. Major pieces of equipment and piping used in the process
A. Incorrect. Process flow diagrams use symbols to represent the major pieces of equipment and piping used in the process.
B. Incorrect. Process flow diagrams use symbols to represent the major pieces of equipment and piping used in the process.
C. Incorrect. Process flow diagrams use symbols to represent the major pieces of equipment and piping used in the process.
D. Correct. Process flow diagrams use symbols to represent the major pieces of equipment and piping used in the process.
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