Question 1

Lean production is difficult to implement when

Accepted Answer

A) demand is highly variable. 
B) product variety is high. 
C) there are many unique products. 
D) All of these answer choices are correct. 
A) demand is highly variable. 
B) product variety is high. 
C) there are many unique products. 
D) All of these answer choices are correct.

Question 2

Small-lot production reduces lead time but increases quality problems.

Accepted Answer

A) True 
 B)False

Question 3

Value stream mapping (VSM)is a tool for

Accepted Answer

A) reducing setup times. 
B) improving quality at the source. 
C) analyzing process flow. 
D) designing manufacturing cells. 
A) reducing setup times. 
B) improving quality at the source. 
C) analyzing process flow. 
D) designing manufacturing cells.

Question 4

Producing items before they are needed is considered waste under the principles of lean production.

Accepted Answer

A) True 
 B)False

Question 5

The output of a manufacturing cell is changed by adding or removing workers.

Accepted Answer

A) True 
 B)False

Question 6

The lower inventory levels associated with small-lot production make processes more dependent on each other.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is not a principle for reducing setup times?

Accepted Answer

A) converting external setup to internal setup 
B) converting internal setup to external setup 
C) separating internal setup from external setup 
D) performing setup activities in parallel 
A) converting external setup to internal setup 
B) converting internal setup to external setup 
C) separating internal setup from external setup 
D) performing setup activities in parallel

Question 8

Takt time is the pace at which production output is maximum.

Accepted Answer

A) True 
 B)False

Question 9

The most prevalent applications of lean include all the following except

Accepted Answer

A) retailing. 
B) health care. 
C) food services. 
D) banking. 
A) retailing. 
B) health care. 
C) food services. 
D) banking.

Question 10

To keep machines running firms can use either breakdown maintenance or preventative maintenance.

Accepted Answer

A) True 
 B)False

Question 11

The lower inventory levels resulting from small-lot production hide problems in the production process.

Accepted Answer

A) True 
 B)False

Question 12

Kaizen is a Japanese term that means fool proofing to prevent defects.

Accepted Answer

A) True 
 B)False

Question 13

Total productive maintenance combines preventive maintenance with kaizen.

Accepted Answer

A) True 
 B)False

Question 14

How does the pull system differ from the push system?

Accepted Answer

In a push system,a schedule is prepared

Question 15

The concept of pull production is easy to implement because it is similar to traditional scheduling procedures.

Accepted Answer

A) True 
 B)False

Question 16

The authority for a worker to stop the production line when quality problems are encountered is known as poka-yoke.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is not a typical component of lead time?

Accepted Answer

A) processing time 
B) maintenance time 
C) waiting time 
D) setup time 
A) processing time 
B) maintenance time 
C) waiting time 
D) setup time

Question 18

Manufacturing cells are comprised of groups of similar machines that process a family of parts.

Accepted Answer

A) True 
 B)False

Question 19

A workstation must produce 400 units an hour.It takes 24 minutes to receive the necessary material for production from the previous workstation.Output is moved between workstations in containers holding 44 units.If the process uses a safety factor of 10%,then the amount of safety stock on average would be

Accepted Answer

A) 16 
B) 32 
C) 8 
D) 60 
A) 16 
B) 32 
C) 8 
D) 60

Question 20

Lean concepts cannot be applied to services.

Accepted Answer

A) True 
 B)False

Exam 23: Lean Systems

Lean production is difficult to implement when

Small-lot production reduces lead time but increases quality problems.

Value stream mapping (VSM)is a tool for

Producing items before they are needed is considered waste under the principles of lean production.

The output of a manufacturing cell is changed by adding or removing workers.

The lower inventory levels associated with small-lot production make processes more dependent on each other.

Which of the following is not a principle for reducing setup times?

Takt time is the pace at which production output is maximum.

The most prevalent applications of lean include all the following except

To keep machines running firms can use either breakdown maintenance or preventative maintenance.

The lower inventory levels resulting from small-lot production hide problems in the production process.

Kaizen is a Japanese term that means fool proofing to prevent defects.

Total productive maintenance combines preventive maintenance with kaizen.

How does the pull system differ from the push system?

The concept of pull production is easy to implement because it is similar to traditional scheduling procedures.

The authority for a worker to stop the production line when quality problems are encountered is known as poka-yoke.

Which of the following is not a typical component of lead time?

Manufacturing cells are comprised of groups of similar machines that process a family of parts.

Lean concepts cannot be applied to services.

Introduction to Operations and Supply Chain Management

Supplement Operational Decision-Making Tools: Decision Analysis

Quality Management

Statistical Process Control

Supplement Operational Decision-Making Tools: Acceptance Sampling

Product Design

Service Design

Processes and Technology

Capacity and Facilities

Supplement Operational Decision-Making Tools: Facility Location Models

Human Resources

Supplement Operational Decision-Making Tools: Work Measurement

Project Management

Supply Chain Management Strategy and Design

Global Supply Chain Procurement and Distribution

Supplement Operational Decision-Making Tools: Transportation and Transshipment Models

Forecasting

Inventory Management

Supplement Operational Decision-Making Tools: Simulation

Sales and Operations Planning

Supplement Operational Decision-Making Tools: Linear Programming

Enterprise Resource Planning

Scheduling

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