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Index
 »Â
QUALITY CONTROL 2 LEC
 »Â
QC2-Introduction.ppt
 »Â
Sources of Quality Variations
level: Sources of Quality Variations
Questions and Answers List
level questions: Sources of Quality Variations
Question
Answer
Sources of Quality Variations
1 MATERIALS 2 MACHINES 3 METHODS 4 MEN
a. Variations between suppliers of same substance b. Variations between batches of same supplier c. Variation within a batch
MATERIALS
a. Variation of equipment for the same process b. Difference in adjustment of equipment c. Aging and improper care
MACHINES
a. Inexact and inadequate procedures b. Negligence by chance
METHODS
a. Inadequate training and understanding
MEN