Acceptance sampling in construction quality control involves:
Choose the correct answer
Testing every unit in every batch delivered to site
Accepting or rejecting an entire lot based on results from a random sample
Determining the characteristic compressive strength of concrete only
Non-destructive testing of structural elements in service
Correct Answer
B. Accepting or rejecting an entire lot based on results from a random sample
Why is this the answer?
Acceptance sampling (IS 2500) is a statistical QC technique: a sample is drawn from a lot, tested against AQL (Acceptable Quality Level), and the decision to accept/reject the whole lot is made. It balances inspection cost against risk of accepting defective material.
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