Question 1

The first unit of production took 10 hours with an 80% learning curve. How long will it take to complete both the first and second units?

Accepted Answer

A)  10 hours 
B)  8 hours 
C)  18 hours 
D)  none of the above 
E)  There is not enough information to solve the problem. 
A)  10 hours 
B)  8 hours 
C)  18 hours 
D)  none of the above 
E)  There is not enough information to solve the problem. C

Question 2

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% D

Question 3

The earliest industrial application of learning curves came from a report by __________.

Accepted Answer

T. P. Wright

Question 4

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 5

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 6

The first unit took 79 hours; the tenth took 46 hours. What learning rate is implied by the data?

Accepted Answer

The improvement is 4

Question 7

Using the arithmetic concept determine how long it will take to make the 64th unit of a product if it took 1 hour to complete the first product with a 50% learning rate.

Accepted Answer

2^X=64 => X= 6
Thus the time g

Question 8

Your firm has a contract to make 20 specialty lenses for night vision equipment. The first one took 40 hours. Learning is expected at the 85% rate. How long will it take to finish all 20 units?

Accepted Answer

The best solution method uses

Question 9

A job with a 90% learning curve required 20 hours for the initial unit. The fourth unit should require approximately how many hours?

Accepted Answer

A)  16.0 
B)  16.2 
C)  18.0 
D)  20.0 
E)  54.2 
A)  16.0 
B)  16.2 
C)  18.0 
D)  20.0 
E)  54.2

Question 10

In addition to labor, to which other variables have learning curves been applied?

Accepted Answer

The text cites materials and p

Question 11

If the learning rate for a process is 80 percent, that same process has a 20 percent __________.

Accepted Answer

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

Question 12

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 13

Which of the following is false regarding learning curves?

Accepted Answer

A)  Learning curves differ from company to company. 
B)  Learning curves can always be used for indirect 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)  Learning curves can always be used for indirect 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

The first unit took 10 hours and the third unit took 5.7 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 15

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

Accepted Answer

A)  aggressive pricing policy 
B)  focus on productivity improvement 
C)  building on shared experience 
D)  keeping capacity growing ahead of demand 
E)  all of the above 
A)  aggressive pricing policy 
B)  focus on productivity improvement 
C)  building on shared experience 
D)  keeping capacity growing ahead of demand 
E)  all of the above

Question 16

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 17

An 80% learning curve means that with each unit increase in production, labor requirements fall by 20%.

Accepted Answer

A) True 
 B)False

Question 18

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 rate is 8.3/10.4 = 0.79

Question 19

The second unit of production took 9 hours. If the learning curve is 90% how long did the first unit take?

Accepted Answer

A)  9 hours 
B)  10 hours 
C)  8.1 hours 
D)  8.5 hours 
E)  none of the above 
A)  9 hours 
B)  10 hours 
C)  8.1 hours 
D)  8.5 hours 
E)  none of the above

Question 20

Which of the following is a limitation of the use of learning curves?

Accepted Answer

A)  Change in personnel, design, or procedure leave the learning curve unchanged. 
B)  Learning curves are applicable to services as well as to manufacturing. 
C)  The culture of the workplace may alter the learning curve. 
D)  Direct labor and indirect labor follow the same learning curves. 
E)  Applications of learning curves are of tactical, not strategic, importance. 
A)  Change in personnel, design, or procedure leave the learning curve unchanged. 
B)  Learning curves are applicable to services as well as to manufacturing. 
C)  The culture of the workplace may alter the learning curve. 
D)  Direct labor and indirect labor follow the same learning curves. 
E)  Applications of learning curves are of tactical, not strategic, importance.

Exam 22: Vehicle Routing and Scheduling

The first unit of production took 10 hours with an 80% learning curve. How long will it take to complete both the first and second units?

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

The earliest industrial application of learning curves came from a report by __________.

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)

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

The first unit took 79 hours; the tenth took 46 hours. What learning rate is implied by the data?

Using the arithmetic concept determine how long it will take to make the 64th unit of a product if it took 1 hour to complete the first product with a 50% learning rate.

Your firm has a contract to make 20 specialty lenses for night vision equipment. The first one took 40 hours. Learning is expected at the 85% rate. How long will it take to finish all 20 units?

A job with a 90% learning curve required 20 hours for the initial unit. The fourth unit should require approximately how many hours?

In addition to labor, to which other variables have learning curves been applied?

If the learning rate for a process is 80 percent, that same process has a 20 percent __________.

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

Which of the following is false regarding learning curves?

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

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

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

An 80% learning curve means that with each unit increase in production, labor requirements fall by 20%.

The second unit of production took 9 hours. If the learning curve is 90% how long did the first unit take?

Which of the following is a limitation of the use of learning curves?

Operations and Productivity

Operations Strategy in a Global Environment

Project Management

Forecasting

Design of Goods and Services

Managing Quality

Process Strategy

Location Strategies

Layout Strategies

Human Resources, Job Design, and Work Measurement

Supply-Chain Management

Inventory Management

Aggregate Planning

Material Requirements Planning Mrp and Erp

Short-Term Scheduling

Just-In-Time and Lean Options

Maintenance and Reliability

Statistical Tools for Managers

Acceptance Sampling

The Simplex Method of Linear Programming

The Modi and Vam Methods of Solving Transportation Problems

Managing Quality

Process Strategy

Supply-Chain Management

Vehicle Routing and Scheduling

Filters

Using the arithmetic concept determine how long it will take to make the 64^th unit of a product if it took 1 hour to complete the first product with a 50% learning rate.