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BLUE SEAL REFRIGERATION COMPREHENSIVE FINAL EXAMINATION PAPER (NEWEST UPDATED VERSION: 2026/2027) DETAILED QUESTIONS AND THOROUGHLY ELABORATED PRECISELY STRUCTURED SOLUTIONS GRADED A+
Preview 3 out of 20 pages
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 the discharge line as far from the compressor as possible ⩥ How many BTU's are removed from 2000 lbs. of ice at 32 F to give you ice at 28 F? Answer: 32-28 = 4 x .5 = 2 2 x 2000 = 4000 BTU's ⩥ Convert 5 degrees F to degrees Rankine Answer: 5 F + 460 = 465 R
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