Question 1

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

Accepted Answer

T(1)= 63.423/(7^b)= 59.8/(9^b)
b = -.234

Question 2

The first unit of a product took 832 hours to build,and the learning curve is 75%.How long will it take to make the 10th unit? (Use at least three decimals in the exponent if you use the formula approach. )

Accepted Answer

A) less than 250 hours 
B) from 251 to 275 hours 
C) from 276 to 300 hours 
D) from 301 to 325 hours 
E) 325 or more hours 
A) less than 250 hours 
B) from 251 to 275 hours 
C) from 276 to 300 hours 
D) from 301 to 325 hours 
E) 325 or more hours

Question 3

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

Accepted Answer

Any changes in personnel,desig

Question 4

The first unit took 10 hours and the third unit took 5.68 hours.What is the improvement rate?

Accepted Answer

A) 70% 
B) 30% 
C) 50% 
D) 90% 
E) 10% 
A) 70% 
B) 30% 
C) 50% 
D) 90% 
E) 10%

Question 5

On an ordinary graph,unit times for a learning curve decrease at a decreasing rate,but on a log-log graph,the learning "curve" appears as a straight line.

Accepted Answer

A) True 
 B)False

Question 6

In the formula to compute the time for the Nth unit,TN = T1(Nb),the exponent b is the learning curve rate L,expressed as a decimal.

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

With 80% learning,the 4th item

Question 8

If the learning curve for a process is 100 percent,then each unit in a series of units will have the same labor requirements.

Accepted Answer

A) True 
 B)False

Question 9

When comparing a 70% learning curve versus a 90% learning curve,which one results in a more rapid reduction in labor requirements? Why?

Accepted Answer

Learning curves are defined in terms of

Question 10

The learning curve rate is:

Accepted Answer

A) the percentage of time it will take to make each unit when the production rate doubles. 
B) the log-log of the annual rate change divided by the average unit cost. 
C) always based on constant value dollars. 
D) only considered valid after one year of data is accumulated. 
E) equal to at least 75%. 
A) the percentage of time it will take to make each unit when the production rate doubles. 
B) the log-log of the annual rate change divided by the average unit cost. 
C) always based on constant value dollars. 
D) only considered valid after one year of data is accumulated. 
E) equal to at least 75%.

Question 11

The earliest application of learning curves appears in the work of architect Frank Lloyd Wright.

Accepted Answer

A) True 
 B)False

Question 12

The learning curve may not be permanent;it can be disrupted by changes in process,personnel,or product.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is FALSE regarding learning curves?

Accepted Answer

A) Learning curves differ from company to company. 
B) The same learning curves are used for indirect labor as are used for direct labor. 
C) Changes in personnel can change the learning curve. 
D) The learning curve may spike for a short time even if it is going to drop in the long run. 
E) All of the above are false. 
A) Learning curves differ from company to company. 
B) The same learning curves are used for indirect labor as are used for direct labor. 
C) Changes in personnel can change the learning curve. 
D) The learning curve may spike for a short time even if it is going to drop in the long run. 
E) All of the above are false.

Question 14

Your firm has expertise with a special type of hand-finished furniture.The learning curve is known to be 82%.If the first piece of furniture took 6 hours,use the formula approach to determine how long it will take to make the third unit.

Accepted Answer

For 82% learning,the

Question 15

Explain how learning curves might be applied in a scheduling application.

Accepted Answer

Learning curves can determine the total

Question 16

The learning rate for a product is 90 percent.The first unit took 10 hours to complete.The manufacturer wants to determine how many hours the fourth unit will take by using the formula approach.What is the coefficient b for that calculation?

Accepted Answer

A) -.1053 
B) -.1520 
C) -.3219 
D) .6931 
E) 8.1 
A) -.1053 
B) -.1520 
C) -.3219 
D) .6931 
E) 8.1

Question 17

Which one of the following statements about learning curves is TRUE?

Accepted Answer

A) A learning curve assumes that the direct labor requirements per unit will DECREASE at an INCREASING rate as cumulative production increases. 
B) A larger learning curve rate implies faster (greater)learning. 
C) A learning curve graph usually follows a negative exponential curve. 
D) Learning curves can be used only for individuals,not for the whole organization. 
E) The formula describing the learning curve principle of doubling is computed differently when computing unit cost as opposed to unit time. 
A) A learning curve assumes that the direct labor requirements per unit will DECREASE at an INCREASING rate as cumulative production increases. 
B) A larger learning curve rate implies faster (greater)learning. 
C) A learning curve graph usually follows a negative exponential curve. 
D) Learning curves can be used only for individuals,not for the whole organization. 
E) The formula describing the learning curve principle of doubling is computed differently when computing unit cost as opposed to unit time.

Question 18

Which of the following is NOT a limitation of the use of learning curves?

Accepted Answer

A) Any change in personnel,design,or procedure can alter the learning curve. 
B) Time measurements on early units completed must be accurate. 
C) The culture of the workplace may alter the learning curve. 
D) Direct labor and indirect labor may not follow the same learning curves. 
E) All of these are limitations of learning curves. 
A) Any change in personnel,design,or procedure can alter the learning curve. 
B) Time measurements on early units completed must be accurate. 
C) The culture of the workplace may alter the learning curve. 
D) Direct labor and indirect labor may not follow the same learning curves. 
E) All of these are limitations of learning curves.

Question 19

It took 18 hours to complete the first two products with an 80% learning curve.How long did the second product take?

Accepted Answer

A) 8.0 hours 
B) 10.0 hours 
C) 18.0 hours 
D) 8.1 hours 
E) none of the above 
A) 8.0 hours 
B) 10.0 hours 
C) 18.0 hours 
D) 8.1 hours 
E) none of the above

Question 20

Learning curves can only be applied to labor.

Accepted Answer

A) True 
 B)False

Exam 26: Learning Curves

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 75%.How long will it take to make the 10th unit? (Use at least three decimals in the exponent if you use the formula approach. )

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

The first unit took 10 hours and the third unit took 5.68 hours.What is the improvement rate?

On an ordinary graph,unit times for a learning curve decrease at a decreasing rate,but on a log-log graph,the learning "curve" appears as a straight line.

In the formula to compute the time for the Nth unit,TN = T1(Nb),the exponent b is the learning curve rate L,expressed as a decimal.

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

If the learning curve for a process is 100 percent,then each unit in a series of units will have the same labor requirements.

When comparing a 70% learning curve versus a 90% learning curve,which one results in a more rapid reduction in labor requirements? Why?

The learning curve rate is:

The earliest application of learning curves appears in the work of architect Frank Lloyd Wright.

The learning curve may not be permanent;it can be disrupted by changes in process,personnel,or product.

Which of the following is FALSE regarding learning curves?

Your firm has expertise with a special type of hand-finished furniture.The learning curve is known to be 82%.If the first piece of furniture took 6 hours,use the formula approach to determine how long it will take to make the third unit.

Explain how learning curves might be applied in a scheduling application.

The learning rate for a product is 90 percent.The first unit took 10 hours to complete.The manufacturer wants to determine how many hours the fourth unit will take by using the formula approach.What is the coefficient b for that calculation?

Which one of the following statements about learning curves is TRUE?

Which of the following is NOT a limitation of the use of learning curves?

It took 18 hours to complete the first two products with an 80% learning curve.How long did the second product take?

Learning curves can only be applied to labor.

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In the formula to compute the time for the Nth unit,T_N= T₁₍N^b),the exponent b is the learning curve rate L,expressed as a decimal.

A product was priced assuming an 80% learning curve.How much extra labor (in $)will be required on the 4^th product if the learning curve is actually 90%? Assume that the first unit cost $100 to produce.