1.

Which of the following are the sources of variation in quality control process in construction?1. Material2. Operator3. Inspection activitySelect the correct answer using the codes given below:

A. 1, 2 and 3
B. 1 and 2 only
C. 1 and 3 only
D. 2 and 3 only
Answer» C. 1 and 3 only


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