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Exam 10: learning curve– Static

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Question 31

Multiple Choice

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A job has an 80 percent learning curve. The second unit required 12 hours to complete. Approximately how many hours will be devoted to the first five units (including those already completed) ?

A)  26
B)  36
C)  46
D)  56
E)  66

F) A) and B)
G) A) and C)

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Question 32

True/False

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An 80 percent learning curve means that with each doubling of repetitions there will be a 20 percent decrease in time per unit.

A) True
B) False

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Question 33

Multiple Choice

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The more __________ a task, the less likely it is that a substantial learning curve will be in effect.

The learning curve principle would apply to a baseball pitcher learning to throw a curveball.

If the elapsed time for the task is short and the activity is somewhat routine, a modest amount of improvement occurs during the first few repetitions.

The fact that human activities typically improve when they are done on a repetitive basis is described by a(n) :

Learning curves are used primarily for mass production applications.

A job has an 80 percent learning curve. If the first unit took 40 hours to complete, the fourth unit should take roughly how many hours?

A manager wants to analyze the learning curve associated with producing one of his company's products. Accordingly, he has gathered the following data: Approximately how long will it take to produce the fifth through tenth units?

Learning curves generally apply to situations in which there is a high degree of human involvement and tasks are fairly repetitive.

A company is preparing a bid on a government contract for 40 units of a certain product. The operations manager estimates the assembly time required for the first two units to be 10.4 hours and 8.8 hours. Which unit, if any, will require approximately one-half the time of the first unit?

A company is preparing a bid on a government contract for 40 units of a certain product. The operations manager estimates the assembly time required for the first two units to be 10.4 hours and 8.8 hours. Approximately how long will it take to produce the 25th through 30th units?

To which of the following challenges are learning curves important considerations?

Once production is underway and the learning curve effect is occurring, successive changes made to the production process will cause the time per unit to:

A manager wants to analyze the learning curve associated with producing one of his company's products. Accordingly, he has gathered the following data: $\begin{array} { | l | l | } \hline \text { UNIT PRODUCED } & \text { TIME REQUIRED } \\\hline \text { Second } & 5 \text { hours } \\\hline \text { Fourth } & 4 \text { hours } \\\hline\end{array}$ Approximately how long will it take to produce the 10th unit?

To which worker would learning curves be most applicable?

A manager is trying to estimate the learning rate for a new job. The first unit took 16 hours and the fourth unit required about 13 hours. The learning rate is:

According to learning curve theory, for certain kinds of tasks the cost per unit decreases as the number of repetitions increases.

Suppose the first unit required 800 hours and the second unit required only 680. Which of the following times for the fourth unit would be consistent with a true learning curve scenario?

In which of the following managerial activities would learning curves probably be the least useful?