Heat pump hvac questions - Study guides, Class notes & Summaries

HVAC NATE Heat Pump- Exam 2023 Questions and Answers

HVAC NATE Gas Heat Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: When starting up a dual system, the temperature rise method for determining airflow cannot be used with compressor cycle of the heat pump because: Answer: The capacity of the system varies too much with outdoor temperature. Q: The flame pattern a technician would expect to see on a properly operating single stage gas furnace equipped with "in shot" type burner is a:...

HVAC NATE Heat Pump Questions & answers

HVAC CONTRACTOR EXAM QUESTIONS AND ANSWERS 100% PASS An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter - Correct Answer ️️ -voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve - Correct Answer ️️ -the...

HVAC NATE Heat Pump Exam/171 complete Questions & Answers

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

HVAC NATE Heat Pump Exam Questions and Answers 100% Pass On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? -Answer-6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? - Answer-Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? - Answer-Drain off and away from the outdoor coil. Why must the runoff be drained off and away from...

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...

HVAC NATE Heat Pump Exam Questions With Answers...

HVAC 2024 Actual Exam Questions and Answers All Correct The coolant bypass solenoid valve provides a second path for coolant to flow between the engine block and the: - Answer-Thermostat housing The heater core is an air to liquid heat exchanger similar to a radiator. - Answer-false the 1.6l gtdi engine uses the no-flow coolant strategy in the engine block to: - Answer-Both a and b on vehicles equipped with the auto start-stop feature, such as the 2014 fusion, the cabin heater coola...