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Exam 25: Learning Curves

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Question 21

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What problems in scheduling can arise if adjustments for learning curve effects in operations are not made?

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Labour and productive faciliti...

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Question 22

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It took 60 hours to make the first unit of a product.After the second and third units were made,the learning curve was estimated to be 80%.At $10 per hour,estimate the labour bill for the fourth unit.(Use at least three decimals in the exponent if you use the logarithmic approach. )

A) $400 or less
B) from $400 to $420
C) from $420 to $440
D) from $1800 to $2000
E) over $2000

F) C) and D)
G) A) and E)

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Question 23

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The learning curve coefficient approach may be simpler to use than the logarithmic approach,but it requires the presence of a table of learning coefficients.

A product was priced assuming an 80% learning rate.How much extra labour (in $)will be required on the 4th product if the learning rate is actually 90%? Assume that labour costs $10/hour and the first unit cost $100 to produce.

What can cause a learning curve to vary from a smooth downward slope?

A company negotiates a price for two aircraft that includes a reduction in labour on the second aircraft consistent with a 70% learning curve.Suppose the first aircraft took 100 hours.If the improvement rate changes to 20%,how will the total time to complete both aircraft change?

In the logarithmic approach to learning curve calculations,you have used the formula TN = T1.(Nb).Your manager shows you a problem for which b is specified as -.18442.What learning rate does that value represent?

The learning curve for a product is 90%.The first unit took 10 hours to complete.The manufacturer wants to determine how many hours the fourth unit will take by using the logarithmic method.The coefficient b for that calculation is approximately

The first unit took 10 hours and the third unit took 5.7 hours.What is the improvement rate?

Which of the following statements is most appropriate with respect to a 70% learning curve?

The seventh unit of production took 63.423 minutes while the ninth unit of production took 59.8 minutes.What is the improvement rate?

The first unit of a product took 832 hours to build,and the learning curve is 90%.How long will it take to make the 25th unit? (Use at least three decimals in the exponent if you use the logarithmic approach. )

Which of the following statements comparing learning curve rates (L) to improvement rates is true?

Which of the following is representative of a firm pursuing a learning curve strategy?

A defence contractor has just started producing engines for a new government contract.The first engine took 800 hours to produce.If the learning curve is 80%,how long will it take to produce the first 20 engines? (Use at least three decimals in the exponent if you use the logarithmic approach,or use Table E.3 cumulative coefficient. )

A project manager bases his time and labour estimates on a learning curve of 86%.The actual learning curve turns out to be 89%.The manager,because of the decreased learning,will complete his project in more time and with more labour use.

Learning curves (or experience curves) were first applied to industry by ________ who was studying ________.

The first unit took 10 hours and the fourth unit took 8.1 hours to complete.What is the learning curve?

In the logarithmic approach formula to compute the time for the Nth unit,TN = T1Nb,the exponent b is the learning curve rate L,expressed as a decimal.

Learning curves can be used to establish budgets.