Question 1

______ is the simplest approach to solving learning curve problems.

Accepted Answer

A) The arithmetic approach 
B) Using a table of learning curve coefficient values 
C) The logarithmic formula approach 
D) The quadratic formula approach 
A) The arithmetic approach 
B) Using a table of learning curve coefficient values 
C) The logarithmic formula approach 
D) The quadratic formula approach A

Question 2

Weston,Inc.,produces widgets.To manufacture a new type of widget,it took 22 iterations before the process reached a steady state of 10 hours.If Weston has a 96% learning rate,use the logarithmic approach to calculate the time it took to manufacture the first widget.

Accepted Answer

A) 12.00 hours 
B) 13.80 hours 
C) 11.71 hours 
D) 9.81 hours 
A) 12.00 hours 
B) 13.80 hours 
C) 11.71 hours 
D) 9.81 hours A

Question 3

The first unit produced in a process takes 480 hours.As the number of units produced doubles,production time decreases by 18%.Using the arithmetic approach,calculate the production time for the eighth unit.

Accepted Answer

A) 217 hours 
B) 146 hours 
C) 178 hours 
D) 265 hours 
A) 217 hours 
B) 146 hours 
C) 178 hours 
D) 265 hours D

Question 4

The first unit produced in a process takes 480 hours.As the number of units produced doubles,production time decreases by 18%.Using the arithmetic approach,calculate the production time for the 32nd unit.

Accepted Answer

A) 217 hours 
B) 328 hours 
C) 178 hours 
D) 156 hours 
A) 217 hours 
B) 328 hours 
C) 178 hours 
D) 156 hours

Question 5

Acme,Inc.,produces widgets.To manufacture a new type of widget,it took 30 hours for the first widget.Acme estimates it has a 92% learning rate.Using the logarithmic approach,calculate the time it will take to manufacture the 26th widget.

Accepted Answer

A) 11.05 hours 
B) 21.90 hours 
C) 28.96 hours 
D) 20.28 hours 
A) 11.05 hours 
B) 21.90 hours 
C) 28.96 hours 
D) 20.28 hours

Question 6

An 80% learning curve means a(n)______.

Accepted Answer

A) 20% decrease in unit time as the number of repetitions or units produced doubles 
B) 80% decrease in unit time as the number of repetitions or units produced doubles 
C) 20% increase in unit time as the number of repetitions or units produced doubles 
D) 80% increase in unit time as the number of repetitions or units produced doubles 
A) 20% decrease in unit time as the number of repetitions or units produced doubles 
B) 80% decrease in unit time as the number of repetitions or units produced doubles 
C) 20% increase in unit time as the number of repetitions or units produced doubles 
D) 80% increase in unit time as the number of repetitions or units produced doubles

Question 7

Weston,Inc.,produces widgets.To manufacture a new type of widget,it took 18 iterations before the process reached a steady state of 7 hours.If Weston has a 94% learning rate,use the logarithmic approach to calculate the time it took to manufacture the first widget.

Accepted Answer

A) 9.06 hours 
B) 10.92 hours 
C) 8.90 hours 
D) 7.51 hours 
A) 9.06 hours 
B) 10.92 hours 
C) 8.90 hours 
D) 7.51 hours

Question 8

Acme,Inc.,produces widgets.To manufacture a new type of widget,it took 51 hours for the first widget.Acme estimates it has an 85% learning rate.Using the logarithmic approach,calculate the time it will take to manufacture the 148th widget.

Accepted Answer

A) 16.24 hours 
B) 15.86 hours 
C) 19.52 hours 
D) 16.94 hours 
A) 16.24 hours 
B) 15.86 hours 
C) 19.52 hours 
D) 16.94 hours

Question 9

Acme,Inc.,produces widgets.To manufacture a new type of widget,it took 57 hours for the first widget.Acme estimates it has an 84% learning rate.Using the logarithmic approach,calculate the time it will take to manufacture the 114th widget.

Accepted Answer

A) 17.27 hours 
B) 19.58 hours 
C) 16.52 hours 
D) 21.94 hours 
A) 17.27 hours 
B) 19.58 hours 
C) 16.52 hours 
D) 21.94 hours

Question 10

Learning curves can be used to determine the number of workers needed to meet planned production level targets.This statement is an application of learning curves in which of the following functions?

Accepted Answer

A) workforce planning and scheduling 
B) cost estimation and budgeting 
C) new product pricing 
D) procurement negotiations in supply chains 
A) workforce planning and scheduling 
B) cost estimation and budgeting 
C) new product pricing 
D) procurement negotiations in supply chains

Question 11

Acme,Inc.,produces widgets.To manufacture a new type of widget,it took 78 hours for the first widget.Acme estimates it has a 92% learning rate.Using the logarithmic approach,calculate the time it will take to manufacture the 66th widget.

Accepted Answer

A) 46.24 hours 
B) 45.86 hours 
C) 49.52 hours 
D) 47.19 hours 
A) 46.24 hours 
B) 45.86 hours 
C) 49.52 hours 
D) 47.19 hours

Question 12

Assume that it takes 100 hours to produce the first unit of a product,and the learning rate for this production process is 80%.Using the arithmetic approach,determine the labor hours required to produce the 4th unit.

Accepted Answer

A) 100 hours 
B) 80 hours 
C) 64 hours 
D) 52 hours 
A) 100 hours 
B) 80 hours 
C) 64 hours 
D) 52 hours

Question 13

Which of the following statements is true about learning curves?

Accepted Answer

A) The curve will touch the horizontal axis at some point. 
B) The time reduction per repetition will steadily increase as the number of repetitions or units produced increases. 
C) The time per repetition or unit produced will never be zero. 
D) Learning and performance improvement will occur indefinitely. 
A) The curve will touch the horizontal axis at some point. 
B) The time reduction per repetition will steadily increase as the number of repetitions or units produced increases. 
C) The time per repetition or unit produced will never be zero. 
D) Learning and performance improvement will occur indefinitely.

Question 14

Weston,Inc.,produces widgets.To manufacture a new type of widget,it took 12 iterations before the process reached a steady state of 8 hours.If Weston has a 77% learning rate,use the logarithmic approach to calculate the time it took to manufacture the first widget.

Accepted Answer

A) 20.42 hours 
B) 21.62 hours 
C) 19.36 hours 
D) 18.10 hours 
A) 20.42 hours 
B) 21.62 hours 
C) 19.36 hours 
D) 18.10 hours

Question 15

The first unit produced in a process takes 480 hours.As the number of units produced doubles,production time decreases by 18%.Using the arithmetic approach,calculate the production time for the 16th unit.

Accepted Answer

A) 217 hours 
B) 328 hours 
C) 128 hours 
D) 156 hours 
A) 217 hours 
B) 328 hours 
C) 128 hours 
D) 156 hours

Question 16

Weston,Inc.,produces widgets.To manufacture a new type of widget,it took 12 iterations before the process reached a steady state of 42 hours.If Weston has a 79% learning rate,use the logarithmic approach to calculate the time it took to manufacture the first widget.

Accepted Answer

A) 95.89 hours 
B) 98.50 hours 
C) 97.78 hours 
D) 95.66 hours 
A) 95.89 hours 
B) 98.50 hours 
C) 97.78 hours 
D) 95.66 hours

Question 17

The first unit produced in a process takes 600 hours.As the number of units produced doubles,production time decreases by 32%.Using the arithmetic approach,calculate the production time for the 16th unit.

Accepted Answer

A) 132 hours 
B) 148 hours 
C) 128 hours 
D) 156 hours 
A) 132 hours 
B) 148 hours 
C) 128 hours 
D) 156 hours

Question 18

Weston,Inc.,produces widgets.To manufacture a new type of widget,it took 23 iterations before the process reached a steady state of 36 hours.If Weston has a 98% learning rate,use the logarithmic approach to calculate the time it took to manufacture the first widget.

Accepted Answer

A) 40.38 hours 
B) 39.44 hours 
C) 38.02 hours 
D) 37.08 hours 
A) 40.38 hours 
B) 39.44 hours 
C) 38.02 hours 
D) 37.08 hours

Question 19

The arithmetic approach is based on the assumption that as production doubles,the per-unit production time declines by a constant percentage,often referred to as ______.

Accepted Answer

A) learning time 
B) learning rate 
C) learning coefficient 
D) learning factor 
A) learning time 
B) learning rate 
C) learning coefficient 
D) learning factor

Question 20

The first unit produced in a process takes 400 hours.As the number of units produced doubles,production time decreases by 20%.Using the arithmetic approach,calculate the production time for the 128th unit.

Accepted Answer

A) 84 hours 
B) 256 hours 
C) 105 hours 
D) 72 hours 
A) 84 hours 
B) 256 hours 
C) 105 hours 
D) 72 hours

Exam 28: Learning Curves

______ is the simplest approach to solving learning curve problems.

Weston,Inc.,produces widgets.To manufacture a new type of widget,it took 22 iterations before the process reached a steady state of 10 hours.If Weston has a 96% learning rate,use the logarithmic approach to calculate the time it took to manufacture the first widget.

The first unit produced in a process takes 480 hours.As the number of units produced doubles,production time decreases by 18%.Using the arithmetic approach,calculate the production time for the eighth unit.

The first unit produced in a process takes 480 hours.As the number of units produced doubles,production time decreases by 18%.Using the arithmetic approach,calculate the production time for the 32nd unit.

Acme,Inc.,produces widgets.To manufacture a new type of widget,it took 30 hours for the first widget.Acme estimates it has a 92% learning rate.Using the logarithmic approach,calculate the time it will take to manufacture the 26th widget.

An 80% learning curve means a(n)______.

Weston,Inc.,produces widgets.To manufacture a new type of widget,it took 18 iterations before the process reached a steady state of 7 hours.If Weston has a 94% learning rate,use the logarithmic approach to calculate the time it took to manufacture the first widget.

Acme,Inc.,produces widgets.To manufacture a new type of widget,it took 51 hours for the first widget.Acme estimates it has an 85% learning rate.Using the logarithmic approach,calculate the time it will take to manufacture the 148th widget.

Acme,Inc.,produces widgets.To manufacture a new type of widget,it took 57 hours for the first widget.Acme estimates it has an 84% learning rate.Using the logarithmic approach,calculate the time it will take to manufacture the 114th widget.

Learning curves can be used to determine the number of workers needed to meet planned production level targets.This statement is an application of learning curves in which of the following functions?

Acme,Inc.,produces widgets.To manufacture a new type of widget,it took 78 hours for the first widget.Acme estimates it has a 92% learning rate.Using the logarithmic approach,calculate the time it will take to manufacture the 66th widget.

Assume that it takes 100 hours to produce the first unit of a product,and the learning rate for this production process is 80%.Using the arithmetic approach,determine the labor hours required to produce the 4th unit.

Which of the following statements is true about learning curves?

Weston,Inc.,produces widgets.To manufacture a new type of widget,it took 12 iterations before the process reached a steady state of 8 hours.If Weston has a 77% learning rate,use the logarithmic approach to calculate the time it took to manufacture the first widget.

The first unit produced in a process takes 480 hours.As the number of units produced doubles,production time decreases by 18%.Using the arithmetic approach,calculate the production time for the 16th unit.

Weston,Inc.,produces widgets.To manufacture a new type of widget,it took 12 iterations before the process reached a steady state of 42 hours.If Weston has a 79% learning rate,use the logarithmic approach to calculate the time it took to manufacture the first widget.

The first unit produced in a process takes 600 hours.As the number of units produced doubles,production time decreases by 32%.Using the arithmetic approach,calculate the production time for the 16th unit.

Weston,Inc.,produces widgets.To manufacture a new type of widget,it took 23 iterations before the process reached a steady state of 36 hours.If Weston has a 98% learning rate,use the logarithmic approach to calculate the time it took to manufacture the first widget.

The arithmetic approach is based on the assumption that as production doubles,the per-unit production time declines by a constant percentage,often referred to as ______.

The first unit produced in a process takes 400 hours.As the number of units produced doubles,production time decreases by 20%.Using the arithmetic approach,calculate the production time for the 128th unit.

Introduction to Managing Global Operations and Supply Chains

Operations and Supply Chain Strategies

Project Management

Supplement: Project Management

Product and Service Innovations

Supplement: Reliability

Managing for Quality

Quality Improvement and Control Tools

Capacity Planning

Supply Chain Design and Location Planning

Process Design and Layout Planning

Supplement: Tools for Analyzing, Designing, and Selecting Processes and Layouts

Supplier Management

Logistics Management

Demand Management and Customer Service

Demand Forecasting Methods

Lean Operations and Supply Chains

Inventory Management

Inventory Control Models

Sales and Operations Planning

Master Scheduling and Material Requirements Planning

Supplement: Capacity Requirements Planning, MRP II, ERP, and DRP

Detailed Scheduling

Linear Programming

The Transportation Models

Waiting Line Models

Simulation

Decision-Making Tools

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