CQE (CQE) 2

Question 1

A control chart shows a run of 8 consecutive points above the centerline. This indicates:

Accepted Answer

A process shift requiring investigation

Answer

Eight consecutive points on one side of the centerline is a non-random pattern signaling a process shift per Western Electric rules.

Question 2

Which sampling plan standard is most commonly referenced for attribute inspection in the United States?

Accepted Answer

ANSI/ASQ Z1.4

Answer

ANSI/ASQ Z1.4 governs attribute (pass/fail) acceptance sampling, replacing the older MIL-STD-105E.

Question 3

The Taguchi loss function quantifies quality loss as a function of:

Accepted Answer

Deviation of a characteristic from its target value

Answer

Taguchi defined loss as proportional to the square of the deviation from the nominal target, L = k(y − T)².

Question 4

In a two-level full factorial design with 4 factors, how many experimental runs are required (excluding replicates)?

Accepted Answer

16

Answer

A 2⁴ full factorial requires 2⁴ = 16 runs to estimate all main effects and interactions.

Question 5

Which quality cost category includes the cost of incoming inspection and receiving testing?

Accepted Answer

Appraisal costs

Answer

Appraisal costs cover all activities that measure, evaluate, or audit products to detect defects, including incoming inspection.

CQE - Certified Quality Engineer Practice Test