Air Conditioning Final Exam Questions with Complete Solutions (Latest 2025) A customer calls with an insufficient cooling compliant. upon arrival to the service call it is found that the outdoor condensing unit is operating, but the indoor blower motor is not in operation.Technician A says that it is possible that it is bad fuse to the furnace Technician B says the control transformer could also be at fault Who is correct? - Correct Answers ✅Neither is correct What is commonly used to measure a deep vacuum? - Correct Answers ✅a micron gauge The system used to measure the efficiency of a split system air conditioner is... - Correct Answers ✅SEER - Seasonal Energy Efficiency Ratio To measure subcooling.... - Correct Answers ✅subtract the liquid line temperature from the high side condensing temperature When must a system be evacuated? - Correct Answers ✅when the system has been opened to the atmosphere 1 / 2
Air Conditioning Final Exam Questions with Complete Solutions (Latest 2025) What is the purpose for insulating a suction line? - Correct Answers ✅To prevent condensation from forming After a compressor motor is severally burnt, what accessory must be added as an aid to rid the air conditioning system of acid? - Correct Answers ✅an acid core suction line dryer A room thermostat should be mounted... - Correct Answers ✅Near a return air grill When a system incorporates a three-way service valve? - Correct Answers ✅It must be in mid position during evacuation When charging a system using the sub cool method, what type of metering device must be used in the system? - Correct Answers ✅a TXV In a sealed system, as the pressure increases... - Correct Answers ✅the temperature increases What does the "G" terminal used for on a thermostat? - Correct Answers ✅call for fan on Where is solid 18 gauge wire is typically used where? - Correct Answers ✅The thermostat control wire
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