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

A workshop supervisor at a Pune firm replaces hand-holding of a component with a clamp fixture, so that both hands are free for productive work. Which principle of motion economy does this chiefly illustrate?

It illustrates the principle on use of the human body, which says hands should be freed from holding work by a jig, fixture or clamp. This lets both hands work simultaneously and removes the ineffective hold therblig, instead of workplace layout or tool handle design.

  1. AUse of the human body: hands should not be burdened with holding when a device can do itCorrect
  2. BArrangement of the workplace: tools should be kept at fixed locations
  3. CDesign of tools and equipment: handles should be of cylindrical shape
  4. DPrinciple of maximum travel distance for reaching materials

Explanation

The rule that the hands should be relieved of all holding work by a jig, fixture or foot-operated device falls under use of the human body. Fixed tool locations and handle design are other categories and do not describe replacing a hold with a clamp. Maximum travel distance is not a principle.

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