Question 1

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

Accepted Answer

A) 100% 
B) 99% 
C) 95% 
D) 90% 
E) 80% 
A) 100% 
B) 99% 
C) 95% 
D) 90% 
E) 80%

Question 2

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,estimate (using the doubling approach)how long it will take to complete the third unit.

Accepted Answer

Using the doubling approach,the second u

Question 3

Failure to consider the effects of learning can lead to ________ of labor needs.

Accepted Answer

The answer of Failure to consider the effects of learning...

Question 4

A 90% learning curve implies that each time the production volume is doubled,the direct time per unit is reduced to 90% of its previous value.

Accepted Answer

A) True 
 B)False

Question 5

Learning curves can be applied to a variety of purposes internal to a firm,including:

Accepted Answer

A) labor forecasting. 
B) scheduling. 
C) establishing costs. 
D) establishing budgets. 
E) all of the above 
A) labor forecasting. 
B) scheduling. 
C) establishing costs. 
D) establishing budgets. 
E) all of the above

Question 6

Learning curves are:

Accepted Answer

A) the same for all products but different for different organizations. 
B) the same for all organizations but different for different products. 
C) the same for all organizations and all products. 
D) different for different organizations and different products. 
E) appropriate in services but not in manufacturing. 
A) the same for all products but different for different organizations. 
B) the same for all organizations but different for different products. 
C) the same for all organizations and all products. 
D) different for different organizations and different products. 
E) appropriate in services but not in manufacturing.

Question 7

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 8.3 hours,respectively.
a.What is the appropriate learning curve?
b.What is the average time per unit for the 40 units?
c.Which unit,if any,will require approximately one-half the time of the first unit?

Accepted Answer

(a)The learning curve is 8.3/10.4 = 0.79

Question 8

A project manager bases his time and labor 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 labor use than his estimate suggested.

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

A) normal distribution curve. 
B) binomial distribution curve. 
C) learning curve. 
D) Poisson distribution curve. 
E) repetition curve. 
A) normal distribution curve. 
B) binomial distribution curve. 
C) learning curve. 
D) Poisson distribution curve. 
E) repetition curve.

Question 10

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 11

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 9 minutes? (Use Table E.3. )

Accepted Answer

A) 0.70 
B) 0.75 
C) 0.80 
D) 0.85 
E) 0.90 
A) 0.70 
B) 0.75 
C) 0.80 
D) 0.85 
E) 0.90

Question 12

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 13

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 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,how long will it take to make the second? How long will it take to make the fourth?

Accepted Answer

Use the doubling approach.The

Question 15

The first unit of a product took 1,000 hours to build and the learning curve is 85%.How long will it take to make the first 5 units? (Use Table E.3)

Accepted Answer

A) less than 4,005 hours 
B) from 4,005 to 4,015 hours 
C) from 4,015 to 4,025 hours 
D) from 4,025 to 4,035 hours 
E) from 4,035 to 4,045 hours 
A) less than 4,005 hours 
B) from 4,005 to 4,015 hours 
C) from 4,015 to 4,025 hours 
D) from 4,025 to 4,035 hours 
E) from 4,035 to 4,045 hours

Question 16

Your company is making experimental turbochargers for a new design of high-powered farm tractors.The production schedule for these new components is contained in the table below.
   The first turbocharger,a trial unit,took 900 hours to produce.Based on your experience with similar products,the learning curve is 85%.You have 20 employees,and each employee works 160 hours per month.How many hours will be required in each month? In which month(s)will overtime be required to meet the production schedule?

Accepted Answer

Use the Total Time column of the 85% sec

Question 17

If the learning curve for a process is 80 percent,that same process has a 20 percent ________.

Accepted Answer

The answer of If the learning curve for a process...

Question 18

A learning curve:

Accepted Answer

A) plots man-hours per dollar versus time. 
B) is mathematically described by a parabola. 
C) should be plotted on polar coordinate graph paper. 
D) is based on the premise that organizations learn from experience. 
E) follows a normal distribution. 
A) plots man-hours per dollar versus time. 
B) is mathematically described by a parabola. 
C) should be plotted on polar coordinate graph paper. 
D) is based on the premise that organizations learn from experience. 
E) follows a normal distribution.

Question 19

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 20

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

Accepted Answer

A) There will be a 70% decrease in direct labor per unit each time the production volume doubles. 
B) Each successive unit of production will take 70% of the direct labor of the previous unit. 
C) There will be a 30% decrease in direct labor per unit each time production volume doubles. 
D) Thirty percent of the production will be defective until full learning takes place. 
E) None of the above is true. 
A) There will be a 70% decrease in direct labor per unit each time the production volume doubles. 
B) Each successive unit of production will take 70% of the direct labor of the previous unit. 
C) There will be a 30% decrease in direct labor per unit each time production volume doubles. 
D) Thirty percent of the production will be defective until full learning takes place. 
E) None of the above is true.

Exam 26: Learning Curves

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

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,estimate (using the doubling approach)how long it will take to complete the third unit.

Failure to consider the effects of learning can lead to ________ of labor needs.

A 90% learning curve implies that each time the production volume is doubled,the direct time per unit is reduced to 90% of its previous value.

Learning curves can be applied to a variety of purposes internal to a firm,including:

Learning curves are:

A project manager bases his time and labor 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 labor use than his estimate suggested.

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

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

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 9 minutes? (Use Table E.3. )

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.

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. )

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,how long will it take to make the second? How long will it take to make the fourth?

The first unit of a product took 1,000 hours to build and the learning curve is 85%.How long will it take to make the first 5 units? (Use Table E.3)

If the learning curve for a process is 80 percent,that same process has a 20 percent ________.

A learning curve:

Which of the following is FALSE regarding learning curves?

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

Operations and Productivity

The Global Environment and Operations Strategy

Managing Projects

Forecasting Demand

Product Design

Quality Management and International Standards

Process Design

Location Decisions

Layout Decisions

Job Design and Work Measurement

Supply Chain Management

Managing Inventory

Aggregate Scheduling

Material Requirements Planning Mrpand Erp

Scheduling for the Short-Term

Jit,lean Operations,and the Toyota Production System

Maintenance and Reliability Decisions

Sustainability

Statistical Process Control

Capacity Planning

Supply Chain Modeling

Decision Modeling

Linear Programming Models

Transportation Modeling

Queuing Models

Modeling with Simulation

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