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CMA Intermediate · Operations Management and Strategic Management · Control Measures - Time and Motion Study, Method Study, Work Study

A simo-chart (simultaneous motion cycle chart) is best described as:

A simo-chart is a micro-motion record, typically drawn from film analysis, that shows the therbligs performed by the worker's left and right hands side by side against a common time scale. It helps spot idle hands, holds and unbalanced motion.

  1. AA graph of operator and machine utilisation against time on a single product line
  2. BA film-based chart recording the therbligs of both hands of the worker against a common time scaleCorrect
  3. CA flow chart showing movement of material between departments on a plant layout
  4. DA chart listing breakdown frequency of machines over a year

Explanation

The simo-chart is the micro-motion study record that shows, side by side on a common time scale, the therbligs performed by the left and right hands, usually obtained from film analysis. The other options describe a man-machine chart, a flow diagram and a maintenance record respectively.

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