If one operator performing preventive maintenance requires two hours to complete the job, then two operators working together should complete the preventive maintenance in one hour.

Question

Quizplus · Accepted Answer

If one operator takes two hours to complete the preventive maintenance, it is not necessary that two operators working together can complete the same task in one hour. In fact, the time taken by two operators may be less than two hours but it will not necessarily be one hour. There are other factors that can affect the time it takes to complete a task such as coordination between workers, tools and equipment being used, complexity of the task, and so on.

If One Operator Performing Preventive Maintenance Requires Two Hours to Complete