| ASE A-7 Heating and Air Conditioning Certification Practice Answers |
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Answer A is correct. It is a filter and a fixed metering device. Answer B is wrong. The orifice tube is a fixed device that meters refrigerant at a constant rate. Answer C is wrong. Technician is correct. Answer D is wrong. Technician A is correct. |
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Answer A is wrong. Excessive engine heat effects the ability of the condenser to transfer heat. Answer B is wrong. While the vehicle is moving cool air is traveling through the condenser. While at a stop the weak fan is not pulling the air through as it should resulting in less heat transfer. Answer C is correct. Once the expansion valve freezes the A/C would have consistent weak performance. Answer D is wrong. Debris on the condenser fins reduces the ability of the condenser to transfer heat. This is even more pronounced when the vehicle is at rest. |
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Answer A is wrong. A leaking heater core will result in coolant leaking in the passengers compartment. It can result in a sweet smell in the front passenger compartment. Answer B is wrong. A clogged drip tube will result in condensation dripping in the passenger compartment. Answer C is correct. Both technicians are correct. Answer D is wrong. Both technicians are correct. |
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Answer A is wrong. The accumulator is used in a cycling clutch type system. Answer B is wrong. A receiver drier is part of a "TXV" thermal expansion valve type system. Answer C is wrong. Neither technician is correct. Answer D is correct. Neither technician is correct. |
20. Answer A is wrong. A low refrigerant charge would result in weak performance at all times. Answer B is correct. After a few minutes moisture will freeze in the expansion valve restricting refrigerant from entering the evaporator core. Answer C is wrong. Technician B is correct. Answer D is wrong. Technician B is correct. |