BLUE SEAL REFRIGERATION

COMPREHENSIVE FINAL EXAMINATION

PAPER (NEWEST UPDATED VERSION:

2026/2027) DETAILED QUESTIONS AND

THOROUGHLY ELABORATED PRECISELY

STRUCTURED SOLUTIONS GRADED A+⩥ Which refrigerant usually has a condenser pressure of 1050 psi?

Answer: CO2

⩥ In a carbon dioxide system, the oil system is usually: Answer: A

splash system for vertical compressors; a high pressure system for

horizontal compressors

⩥ The oil trap on a refrigeration system is located: Answer: On th...
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