Demand-Pull vs Push System of Manufacturing

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What is the primary focus of a JIT environment?

Maximizing production waste
Reducing setup time and improving quality (correct)
Expanding factory size
Increasing excess inventory

How is Kanban used in JIT systems?

To reduce production techniques
To eliminate setup time
To increase excess inventory levels
To facilitate the pull system and coordinate activities (correct)

What does Kanban signal to different parts of the process?

That they are allowed to start their next activity (correct)
That they should slow down production
That they need to stop their activity immediately
That they need to increase waste production

How does Kanban help in avoiding waste?

By doing things when they are not needed (D) Signup and view all the answers

What is the purpose of using Kanban signboards in Agile workflow management systems?

To organize tasks into 'to do,' 'in progress,' and 'done' (C) Signup and view all the answers

What is the main challenge the pizza shop faces in meeting consumer needs?

Delivering pizzas fast enough to prevent losing customers. (A) Signup and view all the answers

In JIT environments, what does a longer and more expensive equipment setup lead to?

Reduction of lot sizes (B) Signup and view all the answers

What type of activities does Kanban signal to start?

Activities that are essential for the production process (C) Signup and view all the answers

What does the concept of just-in-time focus on in a pizza delivery shop?

Making what is needed only when customer demand requires it. (C) Signup and view all the answers

How does Kanban support the concept of pull production?

By signaling when activities need to be started (B) Signup and view all the answers

How long does the text suggest it should take for a fresh pizza to reach a customer's door?

30 minutes (D) Signup and view all the answers

What is the main focus of lean manufacturing as mentioned in the text?

Controlling waste in the manufacturing process. (A) Signup and view all the answers

Which system is highlighted as a model for modern manufacturers aiming to control waste?

Toyota Product System (A) Signup and view all the answers

What does a pull system aim to control according to the text?

Inventory levels based on withdrawals by downstream operations. (B) Signup and view all the answers

What are the origins of the Just-in-Time (JIT) philosophy highlighted in the text?

Japanese manufacturing practices, particularly at Toyota. (D) Signup and view all the answers

What is one of the greatest benefits of moving from traditional batch-and-queue manufacturing to continuous flow production?

Reduced lead times (A) Signup and view all the answers

What term in Japanese represents the fifth core principle of lean, emphasizing continuous improvement?

Kaizen (C) Signup and view all the answers

Who is credited with developing and perfecting Just-In-Time (JIT) systems for Toyota's manufacturing plants?

Taiichi Ohno (A) Signup and view all the answers

What is the main goal of Just-In-Time (JIT) philosophy?

Reducing non-value-added activities (B) Signup and view all the answers

Why do lean organizations strive to respond to actual customer demand rather than predict it in advance?

To reduce lead times (D) Signup and view all the answers

What is the Japanese term for non-value-added activities within the Just-In-Time (JIT) philosophy?

Muda (D) Signup and view all the answers

Which company is recognized as one of the most 'lean' business enterprises in the world today?

Toyota (D) Signup and view all the answers

'Lean' organizations believe that it is always possible to improve any business activity. What term represents this continuous improvement approach?

'Kaizen' (B) Signup and view all the answers

What characteristic of cellular layouts promotes JIT goals?

High visibility (D) Signup and view all the answers

How does TQM align with the JIT philosophy?

By establishing a focus on prevention (D) Signup and view all the answers

What role do front-line employees play in successful JIT practices?

Working in partnership with management (A) Signup and view all the answers

Why do workers in a cell environment tend to have a greater sense of ownership and pride in their work?

As they have responsibility and control of the products they produce (C) Signup and view all the answers

How do cellular layouts promote fast throughput times?

By featuring unidirectional product flows (A) Signup and view all the answers

In what way do employees contribute to JIT success?

By gathering data and building consensus (B) Signup and view all the answers

What is a key focus of Total Quality Management (TQM) in relation to quality?

Promoting continuous improvement (C) Signup and view all the answers

What does TQM strive to establish as the primary quality activity?

Concentration on preventing defects (D) Signup and view all the answers

What is the main difference between the traditional 'push' system and JIT 'demand-pull' system?

The push system focuses on maintaining high machine and labor utilization, while JIT emphasizes flow based on demand. (C) Signup and view all the answers

What are the consequences of the traditional 'push' system of manufacturing?

High levels of inventories, long lead times, and high levels of potential rework. (A) Signup and view all the answers

How does JIT 'demand-pull' system handle work flow compared to the traditional 'push' system?

JIT only allows work to flow to a work center if that center needs more work; 'push' continuously pushes work through. (A) Signup and view all the answers

Why does the traditional 'push' system usually result in workers competing with each other rather than working cooperatively?

As a result of the emphasis on high utilization and workers always being busy in the push system. (B) Signup and view all the answers

Which approach focuses on ensuring that raw material and work-in-process are continuously pushed through the factory?

Traditional 'push' system (B) Signup and view all the answers

Why does JIT 'demand-pull' system remove the emphasis on maintaining high utilization?

To reduce inventory levels, lead times, and improve efficiency. (C) Signup and view all the answers

What does JIT 'demand-pull' system enforce if a work center is already occupied with work activity?

Stop production until the downstream work center communicates a need for more material. (C) Signup and view all the answers

Why does the push system produce high levels of potential rework?

As a result of continuously pushing raw material through the factory. (C) Signup and view all the answers