This week the EF Challenge Quiz is the eighth in our RSES CM Practice Exam series which is based on a comprehensive set of questions prepared by the Mississippi Valley Chapter of RSES and brought to the EF by MechAcc.
This quiz deals primarily with testing your general knowledge of different types of compressors used in HVACR.
Take the EF Challenge and find out how you measure up!
Follow this link: The EF Challenge Quiz
Remember, you must have Pro-Status to have access to the EF.