Work-Factor (WF) / PMTS application: where is abbreviated Work-Factor data typically used? Select the most appropriate application area(s) for Abbreviated Work-Factor (AWF) data within Predetermined Motion Time Systems.

Difficulty: Easy

Correct Answer: all of these

Explanation:


Introduction / Context:
Predetermined Motion Time Systems (PMTS) such as Work-Factor (WF) and Method-Time Measurement (MTM) provide standard times from motion data without stopwatches. Abbreviated Work-Factor (AWF) streamlines WF to estimate times quickly for broader industrial tasks.



Given Data / Assumptions:

  • AWF trades some precision for speed of estimation.
  • Targeted at repetitive but not micro-precision tasks.
  • Common shop-floor domains include handling, maintenance, and packing/shipping.


Concept / Approach:
AWF aggregates motion categories so analysts can set reasonable standards across diverse tasks. Material handling (lifting, carrying, placing), maintenance (walking, reaching, tool handling), and packing/shipping (selecting, wrapping, labeling, palletizing) all feature motions that suit AWF-level detail.



Step-by-Step Solution:
Identify AWF strengths: rapid estimates for varied manual tasks.Map to shop functions: handling, maintenance, and logistics involve similar motion families.Hence, AWF applies to all listed areas.



Verification / Alternative check:
Industrial engineering texts position AWF for broader applications beyond fine bench assembly, which may require more granular PMTS (e.g., MTM-1).



Why Other Options Are Wrong:
Options (A), (B), and (C) are each true but incomplete; (E) is too narrow and not typical for abbreviated data.



Common Pitfalls:
Using overly detailed systems where quick estimates suffice; conversely, using AWF where micro-motions dominate and precision is required.



Final Answer:
all of these

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