Lean Six Sigma Black Belt Certification Lean Enterprise Principles 5

Question 1

Which lean enterprise principle is violated when a company produces products based on monthly sales forecasts rather than actual customer orders?

Accepted Answer

Pull

Answer

The pull principle requires production to be triggered by actual downstream demand; producing to forecast creates overproduction and excess inventory waste.

Question 2

In Total Productive Maintenance (TPM), 'autonomous maintenance' means:

Accepted Answer

Operators take ownership of routine maintenance tasks for their equipment

Answer

Autonomous maintenance trains operators to perform routine cleaning, inspection, and minor maintenance tasks, building ownership and catching problems early.

Question 3

A lean enterprise team discovers that a non-value-added step is required due to a regulatory compliance requirement. How should this step be categorized?

Accepted Answer

Muda type 1 (necessary non-value-added)

Answer

Necessary non-value-added activities (Type 1 muda) are steps the customer doesn't value but are required by law, safety, or business necessity and cannot be immediately eliminated.

Question 4

Which lean tool uses time observation to identify where worker effort is spent across a job cycle?

Accepted Answer

Time and motion study / standardized work observation sheet

Answer

A standardized work observation sheet (time study) documents each element of a job cycle and the time spent, revealing opportunities to reduce non-value-added work.

Question 5

In lean enterprise, the 'three actuals' (san genchi shugi) principle requires managers to go to the actual place, observe the actual situation, and:

Accepted Answer

Understand the actual product

Answer

The three actuals (actual place, actual product/thing, actual situation) require direct observation of the real process rather than relying on reports or assumptions.

Lean Six Sigma Black Belt Certification Practice Test

Lean Six Sigma Black Belt Certification Practice Test

Lean Six Sigma Black Belt Certification Lean Enterprise Principles 5