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CARO Certified Assistant Refrigeration Operator VIP Practice Exam

CARO — The CARO (Certified Assistant Refrigeration Operator) is an industry-recognized credential administered by the Refrigeration Service Engineers Society (RSES) and recognized in various Canadian provinces and U.S. jurisdictions; it covers refrigeration fundamentals, system components, refrigerant handling, and safe plant operation, typically consisting of 60–80 multiple-choice questions with a 70% passing threshold.

31
Questions
90m
Time Limit
70.00%
To Pass
Question 1 of 31👑 VIP

You are performing a routine check on a reciprocating compressor and notice the suction pressure is 10 psig lower than normal and the discharge pressure is 15 psig higher than normal while refrigerating capacity has dropped significantly. The compressor is running continuously without cycling off. Which condition BEST explains these symptoms?

Questions 2–31 and full explanations are VIP-exclusive.