OFTEC Oil Firing (OFT101 105E) Practice Questions - OFTEC Oil Firing Technician - OFT10-101 & OFT10-105E Assessment Exam

How often must OFTEC oil technician qualifications such as OFT10-101 and OFT10-105E be renewed through reassessment?

Every 5 years Every 2 years Every 10 years Only once, with lifetime validity

Correct Answer:

Every 5 years

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