CLL Lean Principles & Value Stream Mapping 2

Question 1

In a Value Stream Map, what does a 'push' arrow indicate?

Accepted Answer

Material is moved based on a schedule or forecast regardless of downstream need

Answer

A push arrow indicates material is moved forward based on a schedule or forecast, not on actual downstream demand.

Question 2

Which Lean principle focuses on creating smooth, uninterrupted workflow through all process steps?

Accepted Answer

Flow

Answer

The 'Flow' principle aims to make value-creating steps occur in a smooth, continuous sequence without interruption.

Question 3

What is the primary purpose of the 'Process Box' in a Value Stream Map?

Accepted Answer

To depict a step where material is transformed or information is processed

Answer

A process box represents any step — manufacturing, assembly, or information processing — where transformation of material or data occurs.

Question 4

A company's current state VSM shows 40 hours of process time but 14 days of lead time. What does this gap primarily represent?

Accepted Answer

Non-value-added waiting and inventory time

Answer

The large gap between process time and total lead time represents waste in the form of inventory buffers and waiting between steps.

Question 5

Which symbol is used in a VSM to represent the final customer or the starting supplier?

Accepted Answer

A factory icon

Answer

External entities like customers and suppliers are represented by factory-style icons at the top corners of a VSM.

(CLL) Certified Lean Leader Practice Test