Table 920
the Following Information Is Known About an Assembly Line

question 137

Multiple Choice

Table 9.20
The following information is known about an assembly line.
The desired output rate is 80 units per hour.
$$\begin{array} { | c | c | c | } \hline \begin{array} { c } \text { Work } \\\text { Element }\end{array} & \text { Time (sec) } & \begin{array} { c } \text { Immediate } \\\text { Predecessor } ( \mathrm { s } ) \end{array} \\\hline 1 & 1 & - - \\2 & 15 & 1 \\3 & 20 & 1 \\4 & 30 & 2 \\5 & 20 & 2,3 \\6 & 10 & 5 \\7 & 20 & 4 \\8 & 4 & 6,7 \\\hline\end{array}$$
-Use the information in Table 9.20.What is the maximum idle time at any station,given the solution found by the longest work-element time method?

• A) less than or equal to 20 seconds
• B) greater than 20 seconds but less than or equal to 30 seconds
• C) greater than 30 seconds but less than or equal to 40 seconds
• D) greater than 40 seconds

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Definitions:

Time Periods

Specific durations of time used for accounting purposes, such as fiscal quarters or years.

Discounted

The process of determining the present value of a future amount by applying a discount rate.

Present Value

The current value of a future sum of money or stream of cash flows, discounted at a specified rate of return.

Present Value

The current worth of a future sum of money or stream of cash flows, given a specified rate of return or discount rate.