Cyclone Appliances Has Developed a New European-Style Convection Oven That

Cyclone Appliances has developed a new European-style convection oven that will be made on an assembly line. The schedule requires 80 ovens in an 8-hour day. The assembly includes seven tasks. The table below indicates the performance time and the sequence requirements for each task.
$$\begin{array} { | c | c | c | } \hline \text { Task } & \begin{array} { c } \text { Performance Time } \\\text { (minutes) }\end{array} & \begin{array} { c } \text { Task must follow } \\\text { Task listed below }\end{array} \\\hline \text { A } & 1 & \\\hline \text { B } & 2 & \text { A } \\\hline \text { C } & 3 & \text { B } \\\hline \text { D } & 2 & \text { B } \\\hline \text { E } & 4 & \text { C, D } \\\hline \text { F } & 1 & \text { E } \\\hline \text { G } & 2 & \text { F } \\\hline\end{array}$$
a. What is the cycle time for this assembly operation?
b. What is the theoretical minimum number of workstations?
c. Draw the precedence diagram.

Correct Answer:

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(a) The cycle time is 480 minutes per da...

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