Nate ice heat pumps Study guides, Class notes & Summaries

NATE/ICE Heat Pumps 2024/2025 already graded A+

HVAC NATE Heat Pump |171 Questions| With Correct Answers | Verified Answers | 100,000 BTUH output furnace. Return air temp is 65F. Supply air is 135F. What is the CFM? - -1323CFM A 24v transformer with a 40 VA rating can safely operate with a current of ________. - -1.67 Amps A good fuse will yield a reading of ________on an ohmmeter. - -0 Ω A heat pump operating in normal ice free conditions maintains a certain temperature difference between the outdoor coil temperature and the surr...

NATE /ICE Heat Pumps with 100% correct answers

NATE Core (2022/2023) with Certified Solutions Class A Ordinary Extinguisher Class B Liquid Extinguisher Class C Electrical Extinguisher Asphyxiation causes what? Nausea, Dizziness, Heart Irregularities, and Unconciousness Ladder must be at what dimensions in relation to a house? 4 ft for every 1 ft, 3 ft above the top of the roof. What different amounts does Copper Tubing come in? 25, 50, 100 Soft drawn copper tubing means what? Copper tubing that is on a roll Hard drawn copper tubing me...

NATE Exam: Air Conditioning and Heat Pumps, questions with complete top solutions Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum sensible capacity of a cooling-only system should be within ____% of this calculated value. a. ±10% b. +10% c. +15% ...

NATE Heat Pump Exam, questions with complete solutions 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 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 A: Heating mode Which of the followi...

HVAC NATE Heat Pump, questions and answers with complete top solutions On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? 6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? Drain off and away from the outdoor coil. Why must the runoff be drained off and away...

NATE/ICE Heat Pumps, Top Exam Questions & Answers. 100% Accurate. What is the purpose of the reversing valve on a air to air heat pump? A. it reverses the direction of the compressor B. it changes the flow of refrigerant, making the outdoor coil the condenser during the winter months C. it changes the flow of refrigerant, making the indoor coil the condenser during the winter months D. it changes the flow of refrigerant, making the indoor coil the condenser during the summer months - C...

NATE Heat Pump Exam 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 - ANS 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 - ANS A: Heating mode Which of the following components i...

NATE Exam: Air Conditioning and Heat Pumps, Top Questions & Answers. VERIFIED. Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above - -d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum sensible capacity of a cooling-only system should be within ____% of this calculated value. a. ±10% b. +10% c. +15% d...