CMA Intermediate · Operations Management and Strategic Management · Control Measures - Time and Motion Study, Method Study, Work Study
Which chart is most suitable for recording the simultaneous activities of a worker and a machine to find idle time of each over a work cycle?
A multiple activity chart is the most suitable. It records the activities of the worker and machine against a common time scale, so the idle time of each in the cycle is visible, helping the analyst to rebalance the work between them.
- AMultiple activity chartCorrect
- BOutline process chart
- CFlow diagram
- DString diagram
Explanation
A multiple activity chart records activities of several subjects, such as worker and machine, against a common time scale. This shows idle time and helps balance them. An outline process chart shows only operations and inspections, and flow and string diagrams show movement paths on a layout.
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