Within work study charting conventions, what does the symbol 'D' signify ___________________?
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Answer: C. delay/temporary storage
Explanation
Work study charting conventions utilize standardized symbols to document manufacturing processes clearly and consistently. The letter D specifically represents a delay or temporary storage interval where a workpiece waits for subsequent processing. Distinguishing delays from active operations and transport steps helps industrial engineers identify major sources of manufacturing waste. The American Society of Mechanical Engineers established standardized process chart symbols including circles, arrows, squares, and triangles. Method study relies on these process charts to visualize every step of a manufacturing procedure for subsequent performance improvement. Reducing temporary storage delays is a primary objective of lean manufacturing initiatives aimed at shortening production lead times.
Option A inspection is represented by a square symbol rather than the letter D in standard work study charting conventions. Option transport is denoted by a directional arrow symbol rather than the letter D used for delays. Option D permanent storage is conventionally represented by an inverted triangle symbol rather than the delay letter D.
- Subject
- Engineering
- Category
- Mechanical Engineering
- Topic
- —
- Difficulty
- medium
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