OM Process Optimization 2

Question 1

Which Lean concept focuses on producing only what is needed, when it is needed, and in the amount needed?

Accepted Answer

Just-in-Time (JIT)

Answer

Just-in-Time (JIT) is the Lean philosophy of producing exactly what is needed at the right time in the right quantity to eliminate overproduction waste.

Question 2

A process has a cycle time of 45 seconds and customer demand requires one unit every 60 seconds. What does this indicate?

Accepted Answer

The process has excess capacity

Answer

When cycle time (45s) is less than takt time (60s), the process has excess capacity and is not the constraint.

Question 3

In Six Sigma, what does the term 'sigma level' primarily measure?

Accepted Answer

The number of defects per million opportunities

Answer

Sigma level quantifies process capability by measuring defects per million opportunities (DPMO), with 6 sigma equaling 3.4 DPMO.

Question 4

Which tool is best suited for identifying the root causes of a problem by categorizing potential causes into major categories?

Accepted Answer

Ishikawa (fishbone) diagram

Answer

The Ishikawa or fishbone diagram organizes potential root causes into categories (e.g., Man, Machine, Method, Material) to visually trace a problem to its source.

Question 5

What is the primary purpose of a SIPOC diagram in process improvement?

Accepted Answer

To provide a high-level overview of a process and its boundaries

Answer

SIPOC (Suppliers, Inputs, Process, Outputs, Customers) gives a macro-level view of a process and defines its scope before detailed analysis begins.

(OM) Organizational Management Specialty Certification Practice Test

(OM) Organizational Management Specialty Certification Practice Test

OM Process Optimization 2