Question 1

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

Question 2

A basic requirement for operating with low inventories in lean systems is that major system problems must already have been solved and new problems will be solved as they appear.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following would not contribute to the leaning of services?

Accepted Answer

A)  Improve the reliability of vendors. 
B)  Increase the flexibility of the service system. 
C)  Have service workers handle multiple tasks. 
D)  Standardize the service output. 
E)  Improve the service process. 
A)  Improve the reliability of vendors. 
B)  Increase the flexibility of the service system. 
C)  Have service workers handle multiple tasks. 
D)  Standardize the service output. 
E)  Improve the service process.

Question 4

Kanban focuses on specific part numbers; CONWIP does not.

Accepted Answer

A) True 
 B)False

Question 5

A fundamental tenet of the lean philosophy is that workers are paid based on seniority.

Accepted Answer

A) True 
 B)False

Question 6

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

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

Question 7

A production kanban card is used to signal that:

Accepted Answer

A)  work is needed at the work center. 
B)  work is ready to be moved to the next station. 
C)  a problem exists. 
D)  a machine has broken down and needs immediate attention. 
E)  a machine is ready for preventive maintenance. 
A)  work is needed at the work center. 
B)  work is ready to be moved to the next station. 
C)  a problem exists. 
D)  a machine has broken down and needs immediate attention. 
E)  a machine is ready for preventive maintenance.

Question 8

In the Toyota Production System, waste and inefficiency are referred to as __________, and long-term reduction of 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 9

Although inventories are maintained, the goal of lean operations is to minimize safety stock.

Accepted Answer

A) True 
 B)False

Question 10

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 11

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 when they are worn but 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 when they are worn but 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 12

Which of the following is characteristic of the lean philosophy?

Accepted Answer

A)  Inventories are an asset. 
B)  Lot sizes are optimized by formula. 
C)  Vendors are coworkers, essentially other departments of our organization. 
D)  Queues are a necessary investment. 
E)  All of the choices. 
A)  Inventories are an asset. 
B)  Lot sizes are optimized by formula. 
C)  Vendors are coworkers, essentially other departments of our organization. 
D)  Queues are a necessary investment. 
E)  All of the choices.

Question 13

The All Seasonings Company uses 3,200 glass jars at one of its jar-filling workstations each eight hours of production. The cycle time for a standard container, which holds 90 jars, averages 45 minutes. If management uses an efficiency factor of 20 percent, how many containers should be used?

Accepted Answer

The answer of The All Seasonings Company uses 3,200 glass...

Question 14

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 15

The Five S's do not include:

Accepted Answer

A)  Sort. 
B)  Straighten. 
C)  Sanitize. 
D)  Sweep. 
E)  Standardize. 
A)  Sort. 
B)  Straighten. 
C)  Sanitize. 
D)  Sweep. 
E)  Standardize.

Question 16

A benefit of the lean philosophy is the flexibility to respond quickly to changing customer requirements.

Accepted Answer

A) True 
 B)False

Question 17

One way of reducing the number of suppliers to the organization is to limit contacts to two tiers of suppliers.

Accepted Answer

A) True 
 B)False

Question 18

A successful conversion to a lean system requires that the conversion:

Accepted Answer

A)  be done as quickly as possible. 
B)  begin at the start of the process and work forward. 
C)  convert vendors to lean as one of the last steps. 
D)  reduce setup times as one of the last steps. 
E)  all of the choices. 
A)  be done as quickly as possible. 
B)  begin at the start of the process and work forward. 
C)  convert vendors to lean as one of the last steps. 
D)  reduce setup times as one of the last steps. 
E)  all of the choices.

Question 19

In a pull system, a quantity of inventory in front of a workstation indicates problems at that workstation.

Accepted Answer

A) True 
 B)False

Question 20

The activity controlled in the same way by both kanban and MRP is the determination of:

Accepted Answer

A)  rates of output. 
B)  products to be built. 
C)  materials required. 
D)  capacity required. 
E)  feedback information. 
A)  rates of output. 
B)  products to be built. 
C)  materials required. 
D)  capacity required. 
E)  feedback information.

Exam 14: Jit and Lean Operations

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.

A basic requirement for operating with low inventories in lean systems is that major system problems must already have been solved and new problems will be solved as they appear.

Which of the following would not contribute to the leaning of services?

Kanban focuses on specific part numbers; CONWIP does not.

A fundamental tenet of the lean philosophy is that workers are paid based on seniority.

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

A production kanban card is used to signal that:

In the Toyota Production System, waste and inefficiency are referred to as __________, and long-term reduction of this is referred to as __________.

Although inventories are maintained, the goal of lean operations is to minimize safety stock.

With regard to suppliers, lean systems typically require:

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

Which of the following is characteristic of the lean philosophy?

The All Seasonings Company uses 3,200 glass jars at one of its jar-filling workstations each eight hours of production. The cycle time for a standard container, which holds 90 jars, averages 45 minutes. If management uses an efficiency factor of 20 percent, how many containers should be used?

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

The Five S's do not include:

A benefit of the lean philosophy is the flexibility to respond quickly to changing customer requirements.

One way of reducing the number of suppliers to the organization is to limit contacts to two tiers of suppliers.

A successful conversion to a lean system requires that the conversion:

In a pull system, a quantity of inventory in front of a workstation indicates problems at that workstation.

The activity controlled in the same way by both kanban and MRP is the determination of:

Introduction to Operations Management

Competitiveness, Strategy, and Productivity

Forecasting

Product and Service Design

Extension: Reliability

Strategic Capacity Planning for Products and Services

Extension: Decision Theory

Process Selection and Facility Layout

Work Design and Measurement

Extension: Learning Curves

Location Planning and Analysis

Extension: The Transportation Model

Management of Quality

Quality Control

Extension: Acceptance Sampling

Aggregate Planning and Master Scheduling

MRP and ERP

Inventory Management

Extension: Maintenance

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 long-term reduction of this is referred to as .