Quality Assurance Flashcards
7 cards from real ASCE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Quality Assurance flashcards as text
A process operating at a Six Sigma level, allowing for the conventional 1.5-sigma shift, produces approximately how many defects per million opportunities?
Answer: 3.4
Six Sigma with the 1.5σ shift equates to about 3.4 DPMO.
A process capability index (Cpk) of 1.33 or greater generally indicates that a process:
Answer: Is capable of meeting specification limits
Cpk ≥ 1.33 is the common benchmark for a capable process relative to specification limits.
When the engineer of record reviews contractor shop drawings, the primary purpose is to verify:
Answer: General conformance with the design intent and contract documents
Submittal review checks general conformance with design intent; means, methods, and safety stay with the contractor.
An independent registrar audits a firm to certify its quality system to ISO 9001. This is classified as a:
Answer: Third-party audit
Certification audits by independent bodies are third-party audits.
Before a concrete pour, a special inspector checks reinforcement. Which item is LEAST likely to be part of that inspection?
Answer: Concrete slump
Slump is a fresh-concrete test done during placement, not part of the pre-pour reinforcing inspection.
Which ASTM standard covers measuring the in-place density of soil using the sand-cone method?
Answer: ASTM D1556
ASTM D1556 is the sand-cone method, and D2167 is the rubber-balloon method.
To ensure traceability of structural steel delivered to a project, QA personnel compare heat numbers on the members to which document?
Answer: Certified mill test reports
Mill test reports link heat numbers to chemical and mechanical properties, which establishes material traceability.