Multicriteria FMECA Based Decision-Making for Aluminium Wire Process Rolling Mill through COPRAS-G

Table 1

Scores for chance of failure (C).

Occurrence	MTBF	Score
Almost never	More than three years	1
Very rare	Once every 2-3 years	2
Rare	Once every 1-2 years	3
Very low	Once every 11-12 months	4
Low	Once every 9-10 months	5
Medium	Once every 7-8 months	6
Moderate high	Once every 5-6 months	7
High	Once every 3-4 months	8
Very high	Once every 1-2 months	9
Extremely high	Less than 1 month	10