Question 1

Manufacturing cells are commonly used in JIT systems

Accepted Answer

A) True 
 B)False

Question 2

The control of the flow of work in JIT systems can be characterized as a backward communication approach.

Accepted Answer

A) True 
 B)False

Question 3

Reductions in setup time are necessary to make a JIT system feasible.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following are potentially negative aspects of cross-functionally trained workers?
I.Less motivated workforce based on reduced decision making authority
II.Less flexibility because workers are less able to assist one another
III.Higher stress levels from added responsibility and a continued push to improve

Accepted Answer

A)  I and III 
B)  I and II 
C)  III only 
D)  II and III 
E)  I, II, and III 
A)  I and III 
B)  I and II 
C)  III only 
D)  II and III 
E)  I, II, and III

Question 5

The JIT philosophy recognizes that a buffer inventory is necessary.

Accepted Answer

A) True 
 B)False

Question 6

Flexible systems undermine the goals of JIT and lean systems to have a balanced,rapid flow of products.

Accepted Answer

A) True 
 B)False

Question 7

Setup time and cost can often be reduced by the use of group technology.

Accepted Answer

A) True 
 B)False

Question 8

For JIT/lean companies,certification of suppliers using a system such as ISO 9001 provides a cost effective alternative to having to develop close supplier relationships.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is not a goal of JIT/lean production?

Accepted Answer

A)  System flexibility 
B)  Elimination of waste 
C)  Continuous improvement 
D)  Preventative maintenance 
E)  Elimination of disruptions 
A)  System flexibility 
B)  Elimination of waste 
C)  Continuous improvement 
D)  Preventative maintenance 
E)  Elimination of disruptions

Question 10

Which one of the following is not affiliated with product design to support JIT/lean operations?

Accepted Answer

A)  Concurrent engineering 
B)  Design for manufacturing and assembly 
C)  Product quality 
D)  Material requirements planning (MRP) 
E)  Quality function deployment (QF
D)  to capture the "voice" of customers 
A)  Concurrent engineering 
B)  Design for manufacturing and assembly 
C)  Product quality 
D)  Material requirements planning (MRP) 
E)  Quality function deployment (QF
D)  to capture the "voice" of customers

Question 11

A kanban card is used to signal that:

Accepted Answer

A)  work is needed from the preceding station. 
B)  work is ready to be moved to the next station. 
C)  a worker has run out of parts. 
D)  a machine has broken down. 
E)  a machine is ready for preventive maintenance. 
A)  work is needed from the preceding station. 
B)  work is ready to be moved to the next station. 
C)  a worker has run out of parts. 
D)  a machine has broken down. 
E)  a machine is ready for preventive maintenance.

Question 12

The small lot-sizing policy works well in a situation where both holding costs and setup costs are high.

Accepted Answer

A) True 
 B)False

Question 13

"Group technology" can be used to reduce setup cost and time in a JIT conversion.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is not true about worker/management roles and relations for JIT?

Accepted Answer

A)  Stress on workers is reduced by requiring less of them. 
B)  Workers are considered a key asset of a JIT system. 
C)  Two way communication between workers and management is encouraged. 
D)  Employees are empowered in selecting and using methods. 
E)  All of the choices are true. 
A)  Stress on workers is reduced by requiring less of them. 
B)  Workers are considered a key asset of a JIT system. 
C)  Two way communication between workers and management is encouraged. 
D)  Employees are empowered in selecting and using methods. 
E)  All of the choices are true.

Question 15

When contrast with MRP systems,JIT systems:

Accepted Answer

A)  solely focus on the flow of end products. 
B)  focus on long term production planning. 
C)  rely on visual or audible signals to trigger production. 
D)  relies on "pushing" items through stages of production planning. 
E)  all of the choices are true. 
A)  solely focus on the flow of end products. 
B)  focus on long term production planning. 
C)  rely on visual or audible signals to trigger production. 
D)  relies on "pushing" items through stages of production planning. 
E)  all of the choices are true.

Question 16

In a broad sense,JIT is identical to lean production.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is not associated with converting to cellular layouts?

Accepted Answer

A)  Determining a family of products to group together 
B)  Designing the process for the product family 
C)  Balancing the cell 
D)  Reducing the variety of end products produced 
E)  Determining the capacity of the cell 
A)  Determining a family of products to group together 
B)  Designing the process for the product family 
C)  Balancing the cell 
D)  Reducing the variety of end products produced 
E)  Determining the capacity of the cell

Question 18

Material requirements planning (MRP)is an example of a(n):

Accepted Answer

A)  push system. 
B)  pull system. 
C)  backward communications approach. 
D)  inventory accumulation approach. 
E)  none of the choices. 
A)  push system. 
B)  pull system. 
C)  backward communications approach. 
D)  inventory accumulation approach. 
E)  none of the choices.

Question 19

Which of the following is a benefit of small lot sizes in JIT systems?

Accepted Answer

A)  Quicker response to changing customer demands. 
B)  No safety stock is required. 
C)  Work-in-process inventory is eliminated. 
D)  Inventory planning models are not required. 
E)  All of the choices are benefits. 
A)  Quicker response to changing customer demands. 
B)  No safety stock is required. 
C)  Work-in-process inventory is eliminated. 
D)  Inventory planning models are not required. 
E)  All of the choices are benefits.

Question 20

The purpose of an andon is to provide an immediate visual signal indicating when and where problems are occurring in a process.

Accepted Answer

A) True 
 B)False

Exam 15: A: Just-In-Time and Lean Production

Manufacturing cells are commonly used in JIT systems

The control of the flow of work in JIT systems can be characterized as a backward communication approach.

Reductions in setup time are necessary to make a JIT system feasible.

The JIT philosophy recognizes that a buffer inventory is necessary.

Flexible systems undermine the goals of JIT and lean systems to have a balanced,rapid flow of products.

Setup time and cost can often be reduced by the use of group technology.

For JIT/lean companies,certification of suppliers using a system such as ISO 9001 provides a cost effective alternative to having to develop close supplier relationships.

Which of the following is not a goal of JIT/lean production?

Which one of the following is not affiliated with product design to support JIT/lean operations?

A kanban card is used to signal that:

The small lot-sizing policy works well in a situation where both holding costs and setup costs are high.

"Group technology" can be used to reduce setup cost and time in a JIT conversion.

Which of the following is not true about worker/management roles and relations for JIT?

When contrast with MRP systems,JIT systems:

In a broad sense,JIT is identical to lean production.

Which of the following is not associated with converting to cellular layouts?

Material requirements planning (MRP)is an example of a(n):

Which of the following is a benefit of small lot sizes in JIT systems?

The purpose of an andon is to provide an immediate visual signal indicating when and where problems are occurring in a process.

Introduction to Operations Management

Competitiveness, Strategic Planning, and Productivity

Demand Forecasting

A: Product Design

B: Product Design

A: Strategic Capacity Planning

B: Strategic Capacity Planning

A: Process Design and Facility Layout

B: Process Design and Facility Layout

A: Design of Work Systems

B: Design of Work Systems

A: Location Planning and Analysis

B: Location Planning and Analysis

Management of Quality

A: Statistical Quality Control

B: Statistical Quality Control

Supply Chain Management

Inventory Management

Aggregate Operations Planning

Material Requirements Planning and Enterprise Resource Planning

B: Just-In-Time and Lean Production

Job and Staff Scheduling

Project Management

A: Waiting-Line Analysis

B: Waiting-Line Analysis

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