Table 919
the Illinois Appliance Company Is Installing a Line to to Produce

question 75

Multiple Choice

Table 9.19
The Illinois Appliance Company is installing a line to produce a vacuum cleaner, and you, as the operations manager, are responsible for designing the line. The line has to produce 30 units per hour. The work elements to be performed are as follows, with the time needed and immediate predecessor(s) also shown.
$$\begin{array} { | c | c | c | } \begin{array} { c } \text { Work } \\\text { Element }\end{array} & \text { Time (sec) } & \begin{array} { c } \text { Immediate } \\\text { Predecessor(s) }\end{array} \\\hline \mathrm { A } & 55 & - - \\\text { B } & 45 & \mathrm {~A} \\\mathrm { C } & 25 & \mathrm {~B} \\\mathrm { D } & 20 & \mathrm {~B} \\\mathrm { E } & 40 & \mathrm {~B} \\\mathrm {~F} & 50 & \mathrm { D } \\\mathrm { G } & 70 & \mathrm { D } \\\mathrm { H } & 45 & \mathrm {~F} , \mathrm { G } \\\mathrm { I } & 20 & \mathrm { E } \\\mathrm { J } & 80 & \mathrm { H } , \mathrm { I } \\\hline\end{array}$$
-Use the information in Table 9.19.If you balance the line using the longest work-element time rule,which elements are assigned to station 2?

• A) C, D, E, I
• B) G, F
• C) G, E
• D) C, F, H

---

Definitions:

Variable Input

An input in the production process that can be changed in the short run, such as labor and raw materials.

Marginal Revenue Product

The additional revenue generated from employing one more unit of a factor of production, assuming all other factors remain constant.

Marginal Product

The additional output that is generated by adding one more unit of a specific input, holding all other inputs constant.

Marginal Cost Curve

The curve illustrating the change in total production cost with the addition of one more unit of product, reflecting the principle of increasing costs.