RETA CARO EXAM SCRIPT 2026 TESTED QUESTIONS AND CORRECT ANSWERS ALREADY PASSED

RETA CARO EXAM SCRIPT 2026 TESTED
QUESTIONS AND CORRECT ANSWERS
ALREADY PASSED

◉ Which statement best describes HCHF's? Answer: R-22


◉ Which best describes Ammonia at 80 degrees and 177.99Psig?
Answer: 80 degrees= 138Psig= non-condensables in the system


◉ What is the evaporating pressure for R-22 at 20 degrees? Answer:
43Psig


◉ Which best describes a hermetic compressor's advantages?
Answer: Breakdown of refrigerants= acids


◉ What determines the capacity of a Recip. compressor? Answer:
CFM= cubic feet per minute


◉ What is the practical limit of a recip. compressor? Answer: 8:1


◉ Which compressor would work best at -10 degrees evap. and 95
degrees condensing?

, -10 degrees= 23.66PsiA
95 degrees=195.8PsiA Answer: 195.8 divided by 23.66= 8.27:1


◉ What best describes the operations of a rotary compressor?
Answer: Positive displacement compressor


◉ What is the purpose of a capacity control mechanism in a
compressor? Answer: to adjust the load


◉ figure* 2 stage- Which compressor do you start first? Answer:
High Stage


◉ What is monitored to indicate the evaporation temperature?
Answer: Suction Pressure


◉ What is the least correct thing to do for the oncoming operator?
Answer: Assume everything is working okay.


◉ What is the purpose of a crankcase heater? Answer: Keep oil
warm


◉ What danger should you look for when starting a compressor?
Answer: Rapid pressure drop