ASQ Certified Quality Inspector & Reliability Engineer 2

Question 1

A quality inspector finds that 12 out of 200 sampled parts are nonconforming. What is the proportion nonconforming (p)?

Accepted Answer

0.06

Answer

0.12

Answer

0.94

Answer

0.008

Question 2

Which reliability measure describes the probability that a system performs its required function for a specified time under stated conditions?

Accepted Answer

Reliability

Answer

Availability

Answer

Maintainability

Answer

Durability

Question 3

On a control chart, which condition indicates a process is out of statistical control?

Accepted Answer

Seven consecutive points on one side of the centerline

Answer

All points within 1-sigma limits

Answer

Random scatter around the centerline

Answer

Points alternating above and below centerline

Question 4

A bearing has a Mean Time Between Failures (MTBF) of 500 hours. What is its failure rate (λ)?

Accepted Answer

0.002 failures/hour

Answer

500 failures/hour

Answer

0.02 failures/hour

Answer

250 failures/hour

Question 5

Which sampling plan type is used when a decision must be made after inspecting only one sample?

Accepted Answer

Single sampling

Answer

Double sampling

Answer

Multiple sampling

Answer

Sequential sampling

Question 6

In a Failure Mode and Effects Analysis (FMEA), the Risk Priority Number (RPN) is calculated as:

Accepted Answer

Severity × Occurrence × Detection

Answer

Severity × Occurrence

Answer

Severity + Occurrence + Detection

Answer

Occurrence / Detection

Question 7

A micrometer reads 0.2510 inches on a nominal 0.250-inch gauge block. The measurement error is best described as:

Accepted Answer

0.001 inch of bias

Answer

0.001 inch of random error

Answer

0.2510 inch of precision error

Answer

Zero error because it is within tolerance