Inspection and Testing Methods Flashcards
6 cards from real CQE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Inspection and Testing Methods flashcards as text
What is the primary purpose of incoming inspection in a quality system?
Answer: To verify that incoming materials or components meet defined requirements before use in production
Incoming inspection verifies that purchased materials, components, and services conform to specified requirements, preventing nonconforming inputs from entering production and causing downstream issues.
In acceptance sampling, what is the Acceptable Quality Level (AQL)?
Answer: The worst quality level that is still considered acceptable for routine acceptance
The AQL is the quality level at which lots are considered satisfactory for acceptance, representing the maximum percentage defective that the sampling plan will routinely accept.
Which type of inspection occurs at each stage of the manufacturing process rather than only at the end?
Answer: In-process inspection
In-process inspection monitors product quality at intermediate stages of manufacturing, enabling early detection of nonconformances before additional value is added to defective work.
A coordinate measuring machine (CMM) is used in manufacturing quality control primarily for:
Answer: Precise dimensional measurement of parts in three-dimensional space
A CMM uses a probing system to precisely measure the geometry and dimensions of a part in X, Y, and Z coordinates, enabling accurate verification of complex geometrical features against design specifications.
What does 'calibration' of measurement equipment ensure?
Answer: That measurement results are traceable to national or international measurement standards
Calibration establishes the relationship between instrument readings and known reference standards, ensuring measurement traceability and accuracy within a defined uncertainty.
In non-destructive testing (NDT), which method uses high-frequency sound waves to detect internal defects?
Answer: Ultrasonic testing
Ultrasonic testing sends high-frequency sound waves through a material and analyzes reflections to detect internal flaws, voids, or thickness variations without damaging the part.