2018 RETA Breeze Nov-Dec

RETA TESTING CORNER NO. 10

RETA’s Testing and ANSI Guru

Dr. Ron Rodgers, RETA’s Psychometrician (testing expert) and ANSI Accreditation Manager, has guided development of all RETA credentialing exams since 2002. RETA Testing Corner provides

• Certified Industrial Refrigeration Operator (CIRO) requires advanced mastery of refrigeration fundamentals, hazards and safety and adds electrical systems, valves and controls, two-stage systems, other system operations, heat flow, troubleshooting and performance measures. Over one-third of CIRO questions use system screens that require candidates to interpret temperatures, pressures and other details of system operations to improve safety and performance. Two years of documented operating experience is required to take the CIRO examination. • Certified Refrigeration Service

refrigeration systems. CRST requires a current CARO or CIRO credential or at least four years of documented operating system experience. • Certified Refrigeration Energy Specialist (CRES) adds knowledge required to manage energy efficiency in refrigeration systems and facilities. Candidates also must conduct and document three energy efficiency projects in an industrial refrigeration system. CRES requires a current CARO or CIRO credential or at least four years of documented operating system experience. RETA has structured membership and recertification fees and prices for reference books that support its tests to encourage candidates and their employers to invest in their futures by earning RETA credentials and

information and answers questions from RETAmembers, candidates and others to help them earn and benefit from RETA credentials. Every candidate for a RETA operations credential has a considerable investment in training, learning and experience to achieve the level of understanding and skill required to earn CARO, CIRO, CRST or CRES. Each RETA operations credential requires substantial preparation to meet the qualifications in RETA’s pyramid of excellence in industrial refrigeration knowledge and experience. • Certified Assistant Refrigeration Operator (CARO) requires mastery of fundamental concepts needed to work safely under supervision in industrial refrigeration systems. Knowledge is tested about refrigerants, the refrigeration cycle, types of compressors and how they operate, lubrication, evaporators and cooling units, condensers and high-pressure receivers, purging, as well as safety, hazards and prevention.

Technician (CRST) adds knowledge and skills needed to provide technical and operational support for industrial

RETA Member

Non- member

Cost Difference

Member Discount

Cost to earn CARO in 2015 and recertify in 2018 (Fees plus RETA CARO references) Cost to earn CIRO in 2015 and recertify in 2018 (Fees plus

$1215

$1445

$230

16%

$1325

$1630

$305

19%

RETA CIRO references)

26 RETA.com