The exam is 55 questions taken over 1 hour. The minimum required passing score is 70%.
Refrigeration covers the installation of commercial refrigeration equipment and systems employing the refrigeration cycle to generate low temperatures for other than air conditioning equipment and systems and knowledge of codes and standards.
Installation of commercial refrigeration systems including both walk-in coolers and freezers, sizes range from 1- 10 HP. Refrigerants include- R134a, R22, R408, R12, R404, R500, R502. Installed refrigerant piping systems with brazed, silver-soldered and flared joints. Installation of valves, filter driers, sight glasses and receivers.
The examination is OPEN BOOK.
The following materials may be brought into the exam center:
2015 Michigan Mechanical Code
2015 Michigan Residential Code
ASHRAE Standard 15-2013, ASHRAE 34-2013
The following materials may NOT be brought into the exam center:
Public Act 407 of 2016, Skilled Trades Regulation Act
Public Act 230 of 1972
All reference materials must be bound. The materials printed from the BCC website must be bound by 3 staples on the left edge in separate documents. Candidates are responsible for bringing their own references to the examination center. Any candidate caught writing, highlighting, underlining and/or indexing in the references during the examination will be reported to the BCC. Furthermore, candidates are not permitted to bring in any additional papers (loose or attached) with their approved references.
| title=Reference Materials|2015-michigan-mechanical-code|2015-michigan-residential-code|standards-15-34|skilled-trades-regulation-act-act-407-of-2016|stille-derossett-hale-single-state-construction-code-act-act-230-of-1972|title=Application Assistance|application-service|
