Question 1

Value stream mapping is a technique focused on finding new ways of adding value for critical stakeholders such as customers.

Accepted Answer

A) True 
 B)False  False

Question 2

Managers considering an operations strategy reflecting the lean philosophy of operations should recognize that lean:

Accepted Answer

A)  is most suited for nonrepetitive manufacturing. 
B)  cannot be implemented sequentially. 
C)  requires a wholesale commitment from the outset. 
D)  may leave their company vulnerable to supply chain disruptions. 
E)  all of the choices. 
A)  is most suited for nonrepetitive manufacturing. 
B)  cannot be implemented sequentially. 
C)  requires a wholesale commitment from the outset. 
D)  may leave their company vulnerable to supply chain disruptions. 
E)  all of the choices. D

Question 3

Which of the following contributes to the competitive advantage enjoyed by service firms using lean concepts?

Accepted Answer

A)  backup employees to cover for absenteeism 
B)  one hundred percent inspection to remove defects 
C)  dedicated equipment to reduce unit costs 
D)  safety stocks to prevent stockouts 
E)  greater flexibility to cope with change 
A)  backup employees to cover for absenteeism 
B)  one hundred percent inspection to remove defects 
C)  dedicated equipment to reduce unit costs 
D)  safety stocks to prevent stockouts 
E)  greater flexibility to cope with change E

Question 4

Preventive maintenance is additional maintenance done immediately after a breakdown has occurred to help prevent any further breakdowns.

Accepted Answer

A) True 
 B)False

Question 5

In lean operations, a responsibility of the worker is to check the quality of their work.

Accepted Answer

A) True 
 B)False

Question 6

A lean-systems method of asking questions about a process is the __________ approach.

Accepted Answer

A)  jidoka 
B)  3 kanban 
C)  heijunka 
D)  2 kaizen 
E)  5W2H 
A)  jidoka 
B)  3 kanban 
C)  heijunka 
D)  2 kaizen 
E)  5W2H

Question 7

A real advantage of the lean philosophy is the reduction of coordination effort required with supply chain partners.

Accepted Answer

A) True 
 B)False

Question 8

Lean operations reduce the number of suppliers the organization works with by limiting contacts to two tiers of suppliers.

Accepted Answer

A) True 
 B)False

Question 9

With regard to suppliers, lean systems typically require:

Accepted Answer

A)  delivery of large lots at regular intervals. 
B)  buyer inspection of goods and materials. 
C)  multiple sources from which to purchase. 
D)  long-term relationships and commitments. 
E)  the lowest price possible. 
A)  delivery of large lots at regular intervals. 
B)  buyer inspection of goods and materials. 
C)  multiple sources from which to purchase. 
D)  long-term relationships and commitments. 
E)  the lowest price possible.

Question 10

A system of lights used at each workstation to signal problems or slowdowns is:

Accepted Answer

A)  a command and control center. 
B)  automation. 
C)  andon. 
D)  a pull system. 
E)  kanban. 
A)  a command and control center. 
B)  automation. 
C)  andon. 
D)  a pull system. 
E)  kanban.

Question 11

"Autonomation" indicates that the firm is attempting to reduce its dependence on automated equipment.

Accepted Answer

A) True 
 B)False

Question 12

For a company with a product mix of 40 percent of product A and 30 percent each of products B and C, which of the following mixed-model sequences best reflects the lean philosophy?

Accepted Answer

A)  AABBCCAABC 
B)  ABCABCABCA 
C)  AAAABBBCCC 
D)  BCABCABCAB 
E)  BBBAACCCAA 
A)  AABBCCAABC 
B)  ABCABCABCA 
C)  AAAABBBCCC 
D)  BCABCABCAB 
E)  BBBAACCCAA

Question 13

A benefit of small lot sizes in lean systems is that each product is produced less frequently.

Accepted Answer

A) True 
 B)False

Question 14

In the Toyota Production System, waste and inefficiency are referred to as __________, and the ongoing effort to reduce this is referred to as __________.

Accepted Answer

A)  jidoka; heijunka 
B)  muda; kanban 
C)  kaizen; heijunka 
D)  muda; kaizen 
E)  muda; jidoka 
A)  jidoka; heijunka 
B)  muda; kanban 
C)  kaizen; heijunka 
D)  muda; kaizen 
E)  muda; jidoka

Question 15

A common objective of both MRP and the lean philosophy is to:

Accepted Answer

A)  smooth the flow of production. 
B)  reduce (and ultimately eliminate) "excess" inventory. 
C)  obtain high quality components. 
D)  reduce overhead. 
E)  eliminate process bottlenecks. 
A)  smooth the flow of production. 
B)  reduce (and ultimately eliminate) "excess" inventory. 
C)  obtain high quality components. 
D)  reduce overhead. 
E)  eliminate process bottlenecks.

Question 16

Which of the following would you not expect to see in a lean environment?

Accepted Answer

A)  a flexible system 
B)  minimum inventory 
C)  little waste 
D)  reduced setup times 
E)  a significant number of daily schedule changes 
A)  a flexible system 
B)  minimum inventory 
C)  little waste 
D)  reduced setup times 
E)  a significant number of daily schedule changes

Question 17

Which of the following is not a benefit of small lot sizes in lean systems?

Accepted Answer

A)  In-process inventory is considerably less. 
B)  Each product is produced less frequently. 
C)  Carrying costs are reduced. 
D)  There is less clutter in the workplace. 
E)  Inspection and rework costs are less. 
A)  In-process inventory is considerably less. 
B)  Each product is produced less frequently. 
C)  Carrying costs are reduced. 
D)  There is less clutter in the workplace. 
E)  Inspection and rework costs are less.

Question 18

Which of the following is not characteristic of preventive maintenance in lean systems?

Accepted Answer

A)  maintaining equipment in good operating condition 
B)  replacing parts that have a tendency to fail before they fail 
C)  workers maintaining their own equipment 
D)  eliminating supplies of spare parts to reduce capital investment 
E)  perceiving breakdowns as an opportunity for improvement 
A)  maintaining equipment in good operating condition 
B)  replacing parts that have a tendency to fail before they fail 
C)  workers maintaining their own equipment 
D)  eliminating supplies of spare parts to reduce capital investment 
E)  perceiving breakdowns as an opportunity for improvement

Question 19

A requirement of lean systems is that lead times are increased, allowing more time for processing.

Accepted Answer

A) True 
 B)False

Question 20

In lean operations, when work is completed at one work center, it is important to immediately move the completed work to the next work center to minimize idle time.

Accepted Answer

A) True 
 B)False

Exam 19: JIT and Lean Operations

Value stream mapping is a technique focused on finding new ways of adding value for critical stakeholders such as customers.

Managers considering an operations strategy reflecting the lean philosophy of operations should recognize that lean:

Which of the following contributes to the competitive advantage enjoyed by service firms using lean concepts?

Preventive maintenance is additional maintenance done immediately after a breakdown has occurred to help prevent any further breakdowns.

In lean operations, a responsibility of the worker is to check the quality of their work.

A lean-systems method of asking questions about a process is the __________ approach.

A real advantage of the lean philosophy is the reduction of coordination effort required with supply chain partners.

Lean operations reduce the number of suppliers the organization works with by limiting contacts to two tiers of suppliers.

With regard to suppliers, lean systems typically require:

A system of lights used at each workstation to signal problems or slowdowns is:

"Autonomation" indicates that the firm is attempting to reduce its dependence on automated equipment.

For a company with a product mix of 40 percent of product A and 30 percent each of products B and C, which of the following mixed-model sequences best reflects the lean philosophy?

A benefit of small lot sizes in lean systems is that each product is produced less frequently.

In the Toyota Production System, waste and inefficiency are referred to as __________, and the ongoing effort to reduce this is referred to as __________.

A common objective of both MRP and the lean philosophy is to:

Which of the following would you not expect to see in a lean environment?

Which of the following is not a benefit of small lot sizes in lean systems?

Which of the following is not characteristic of preventive maintenance in lean systems?

A requirement of lean systems is that lead times are increased, allowing more time for processing.

In lean operations, when work is completed at one work center, it is important to immediately move the completed work to the next work center to minimize idle time.

Introduction to Operations Management

Competitiveness

Forecasting

Product and Service Design

RELIABILITY – Static

Strategic Capacity Planning for Products and Services

Decision Theory– Static

Process Selection and Facility Layout

Work Design and Measurement

learning curve– Static

Location Planning and Analysis

The Transportation Model– Static

Management of Quality

Quality Control

Acceptance Sampling– Static

Aggregate Planning and Master Scheduling

MRP and ERP

Inventory Management

Maintenance– Static

Supply Chain Management

Scheduling

Project Management

Management of Waiting Lines

Linear Programming

Filters

In the Toyota Production System, waste and inefficiency are referred to as , and the ongoing effort to reduce this is referred to as .