CQE Reliability and Risk Management 3

Question 1

What is the purpose of a Design of Experiments (DOE) in quality and reliability improvement?

Accepted Answer

To systematically vary input factors and measure effects to understand cause-and-effect relationships

Answer

To document all product specifications

Answer

To establish control chart limits

Answer

To qualify suppliers for critical components

Question 2

In a full factorial DOE with 3 factors at 2 levels each, how many experimental runs are required?

Accepted Answer

8 runs

Answer

6 runs

Answer

9 runs

Answer

12 runs

Question 3

Which risk management strategy accepts a risk without taking action to reduce it?

Accepted Answer

Risk acceptance

Answer

Risk avoidance

Answer

Risk transfer

Answer

Risk mitigation

Question 4

Poka-yoke (error proofing) in product design primarily aims to:

Accepted Answer

Prevent defects by making incorrect actions impossible or immediately obvious

Answer

Detect defects after they occur through inspection

Answer

Reduce cycle time through automation

Answer

Eliminate the need for operator training

Question 5

In reliability-centered maintenance (RCM), tasks are selected based on:

Accepted Answer

The consequences of failure and the effectiveness of proactive maintenance tasks

Answer

Fixed time intervals regardless of failure patterns

Answer

Equipment age alone

Answer

Manufacturer recommendations only

Question 6

When performing a Hazard Analysis and Critical Control Points (HACCP) study, a Critical Control Point (CCP) is defined as:

Accepted Answer

A step where control can be applied to prevent, eliminate, or reduce a food safety hazard to an acceptable level

Answer

Any step where a quality check is performed

Answer

A point where product is inspected by quality

Answer

A regulatory compliance checkpoint