A Company Is Faced with Seven Tasks That Have to Be

question 54

Essay

A company is faced with seven tasks that have to be processed through two work centers, work center I and then center II. Assume work center I works continuously and that they are using Johnson's rule. Work centers need not change over to new jobs at the same time. Data appears below in hours:
$\begin{array}{|c|c|c|}\hline \text { Task } & \text { Work Center I } & \text { Work Center II } \\\hline \text { A } & 2.58 & 3.47 \\\hline \text { B } & 1.66 & 5.84 \\\hline \text { C } & 2.71 & 2.41 \\\hline \text { D } & 5.52 & 1.99 \\\hline \text { E } & 3.38 & 7.62 \\\hline \text { F } & 5.22 & 1.73 \\\hline \text { G } & 2.89 & 1.11 \\\hline\end{array}$
a.What is the sequence of tasks?
b.What is the time in hours to complete all the tasks in both work centers?
c.What is the total idle time (in hours) for work center I?
d.What is the total idle time (in hours) for work center II?

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Definitions:

Neurologic Injury

Damage to the nervous system, including the brain, spinal cord, or peripheral nerves, which can result in a range of functional impairments.

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Abnormal heart rhythms that can lead to various complications, including cardiac arrest.

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The number of breaths a person takes per minute, which is a vital sign used to assess the basic function of the respiratory system.

Opioids

A class of drugs that include the illegal drug heroin as well as prescription pain relievers, used for their pain-relieving effects.