Certified Quality Technician Questions Flashcards

Which document specifies the dimensional, material, and functional requirements that a product must meet?

Answer: Engineering drawing / specification

Engineering drawings and specifications define the required dimensions, tolerances, materials, and functional characteristics that a product must conform to.

A process produces 45 defects out of 1,000 opportunities. What is the defects per million opportunities (DPMO)?

Answer: 45,000

DPMO = (defects / opportunities) × 1,000,000 = (45 / 1,000) × 1,000,000 = 45,000.

In FMEA, the Risk Priority Number (RPN) is calculated as:

Answer: Severity × Occurrence × Detection

RPN = Severity × Occurrence × Detection, and it is used to prioritize failure modes for corrective action.

Which of the following best describes 'calibration' of a measurement instrument?

Answer: Comparing the instrument's measurements to a known reference standard

Calibration is the process of comparing an instrument's readings to a known reference standard to determine its accuracy and identify any bias.

What is the purpose of a corrective action?

Answer: To prevent a problem from recurring by eliminating its root cause

Corrective action aims to permanently eliminate the root cause of a nonconformance to prevent recurrence.

Which chart would be most appropriate when monitoring the proportion of defective items in samples of equal size?

Answer: p-chart

The p-chart monitors the proportion (fraction) defective and can be used with both equal and unequal sample sizes.

In ISO 9001:2015, what is the focus of the 'risk-based thinking' requirement?

Answer: Considering risks and opportunities when planning and implementing the QMS

ISO 9001:2015 requires organizations to consider risks and opportunities proactively throughout their QMS planning and operations rather than eliminating all risk.