Nate (heat pump practice) Final Exam Questions with Correct Answers A Graded
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Course
Nate heat pump service
Institution
Nate Heat Pump Service
Nate (heat pump practice) Final Exam
Questions with Correct Answers A
Graded
Mixed refrigerant should - CORRECT ANSWER-They're not easy to reclaim or separate
should be labeled and sent to recycling plant can be returned for recycling plant charge
a substantial fee for destroying
What refr...
Nate (heat pump practice) Final Exam Questions with Correct Answers A Graded Mixed refrigerant should - CORRECT ANSWER -They're not easy to reclaim or separate should be labeled and sent to recycling plant can be returned for recycling plant charge a substantial fee for destroying What refrigerant is a HFC - CORRECT ANSWER -R 134 a An azeotrope refrigerant is a mixture of - CORRECT ANSWER -2 or more refrigerants that behave like a single refrigerant What is the highest SHARE safety standard given to a refrigerant - CORRECT ANSWER -A1 What is a HCFC - CORRECT ANSWER -Hydrochlorofluorocarbon Refrigerant entering the compressor is - CORRECT ANSWER -Low pressure low temperature vapor What can cause liquid refrigerant to migrate to a compressor crankcase - CORRECT ANSWER -When the compressor is located in the colder location in the circuit Dual fixed orifices or multiple thermal expansion valves TXV are found on - CORRECT ANSWER -Heat pumps Condenser unit contains - CORRECT ANSWER -The compressor and condenser service valve and fan Which of the following applications is not a mechanical cooling system - CORRECT ANSWER -Evaporative cooling What is Charles law regarding constant volume - CORRECT ANSWER -Absolute pressure and absolute temperature change at the same rate when volume is constant The purpose of an external equalizer on a thermostatic expansion valve is - CORRECT ANSWER -To equalize evaporator pressure drop with respect to the TeV Registers and diffusers are normally - CORRECT ANSWER -In the supply air
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