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Exam 11: Learning Curves

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Question 21

True/False

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The learning curve is a basic tool for mass production type activities because it can deal with large volumes of output.

A) True
B) False

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Question 22

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A manager is trying to estimate the appropriate learning curve for a certain job.The manager notes that the first four units had a total time of 30 minutes.Which learning curve would yield approximately this result if the first unit took 10 minutes?

A) .70
B) .75
C) .80
D) .85
E) .90

F) B) and E)
G) A) and B)

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Question 23

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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,respectively.Approximately how long will it take to produce the 15^th unit?

Which of the following is not a major caution or criticism of learning curves?

Projections based on learning curves should be treated as approximations.

A job with a 70 percent learning curve required 20 hours for the initial unit.The fourth unit should require approximately how many hours?

Assembly of a radar unit has a learning curve of 80 percent.Estimated time to assemble the second unit is 40 hours.Determine approximately how much time will be required for: (i)the eighth unit (ii)the first ten units

Learning curves are mostly relevant for routine,repetitive activities.

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 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,respectively.Approximately how long will it take to produce the last ten units?

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:

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 job has a 90 percent learning curve associated with it.The second unit of a 25-unit job had a unit time of 36 minutes.What will the total time be for the entire job?

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

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

Learning curves are sometimes used for manpower planning and scheduling.

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?

One use of learning curves is for negotiated purchasing.

For an 80% learning curve,if the first unit requires 10 hours,the second unit will require 8 hours,and the third 6.4 hours.

For the same type of work,learning curves may differ from organization to organization.