Nate heat pump service Study guides, Class notes & Summaries

Practice Exam for NATE Heat Pump Final Questions and Answers R-22 vapor line diameters and lengths are typically specified for a... - CORRECT ANSWER-Vapor pressure drop that does not exceed a 6-7psi or 6 degrees F The primary purpose of using flux when soldering copper or brass parts is... - CORRECT ANSWER-To prevent oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must... - CORRECT ANSWER-Drain off and away fro the outdoor coil to prevent excessi...

NATE A/C and Heat Pumps basics Exam with Questions and Answers What must be verified before you use performance charts or gauges to validate system operation? a. Refrigerant charge b. Correct air flow c. Check the voltage d. All the above - CORRECT ANSWER-b (Correct air flow) What type of component if installed will help protect the compressor from refrigerant slugging? a. driers b. heaters c. more refrigerant d. accumulator - CORRECT ANSWER-d (accumulator) What is used to maint...

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 st...

The NATE Industry Competency Exam: Heat Pumps Q&A A correct statement regarding the outdoor coil of a heat pump is that damage may result if the: a. Indoor blower fails to operate. b. Defrost water does not drain from the coil. c. Indoor check valve sticks. d. Outdoor metering device sticks open. - CORRECT ANSWER-B If this unit is installed on 208 volts, the transformer primary should be wired: a. To the black and red leads of the transformer. b. To the black and orange leads of the...

Nate Heat Pump Test Exam with Verified Answers The three processes that transfer heat energy are conduction, convection and ________ a. Concentration. b. Radiation. c. Refraction. d. Static pressure. - CORRECT ANSWER-Radiation Which of the following factors affects a customer's level of comfort? a. Air movement. b. Humidity. c. Temperature. d. All of the above. - CORRECT ANSWER-All of the above A cooling load calculation estimates the sensible heat gain of a structure. The...

Study for NATE Heat Pump Exam with Correct Answers Latest Updated b (Cooling mode) - CORRECT ANSWER-Charging a heat pump with refrigerant is best accomplished in the _______ mode. A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode a (Heating mode) - CORRECT ANSWER-Heat pumps can provide both heating in the winter and cooling in the summer. In which mode is the heat pump more efficient? A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mod...

NATE Heat Pump Exam with Correct Answers Latest Updated b (Cooling mode) - CORRECT ANSWER-Charging a heat pump with refrigerant is best accomplished in the _______ mode. A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode a (Heating mode) - CORRECT ANSWER-Heat pumps can provide both heating in the winter and cooling in the summer. In which mode is the heat pump more efficient? A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode c (Reve...

NATE Heat Pump Exam Questions and Answers 100% Correct Charging a heat pump with refrigerant is best accomplished in the _______ mode. A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode - CORRECT ANSWER-B: Cooling mode Heat pumps can provide both heating in the winter and cooling in the summer. In which mode is the heat pump more efficient? A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode - CORRECT ANSWER-A: Heating mode Which of the...

NATE A/C and Heat Pumps basics Exam with Questions and Answers What must be verified before you use performance charts or gauges to validate system operation? a. Refrigerant charge b. Correct air flow c. Check the voltage d. All the above - CORRECT ANSWER-b (Correct air flow) What type of component if installed will help protect the compressor from refrigerant slugging? a. driers b. heaters c. more refrigerant d. accumulator - CORRECT ANSWER-d (accumulator) What is used to maint...

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 st...