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NATE Exam: Core Essentials Q&A 2022/2023// NATE Heat Pump Exam Q&A 2022/2023// HVAC NATE Heat Pump Q&A 2022/2023// NATE Gas Heating Exam Q&A 2022/2023// NATE Exam: Air Conditioning and Heat Pumps //NATE A/C Exam #1 Q&A 2022/2023// NATE A/C Exam #2 Q&A 20 $30.49   Add to cart

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NATE Exam: Core Essentials Q&A 2022/2023// NATE Heat Pump Exam Q&A 2022/2023// HVAC NATE Heat Pump Q&A 2022/2023// NATE Gas Heating Exam Q&A 2022/2023// NATE Exam: Air Conditioning and Heat Pumps //NATE A/C Exam #1 Q&A 2022/2023// NATE A/C Exam #2 Q&A 20

NATE Exam: Core Essentials Q&A 2022/2023// NATE Heat Pump Exam Q&A 2022/2023// HVAC NATE Heat Pump Q&A 2022/2023// NATE Gas Heating Exam Q&A 2022/2023// NATE Exam: Air Conditioning and Heat Pumps //NATE A/C Exam #1 Q&A 2022/2023// NATE A/C Exam #2 Q&A 2022/2023

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NATE Exam: Core Essentials Q&A 2022/2023

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d (very important) - Answer- The ability to utilize all types of communication skills is ____ to the HVACR technician. a. not as important as "hands-on" technical skills b. somewhat important c. unimportant d. very important d (all of the above: clear, complete, concise) - Answer- It is i...

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NATE Heat Pump Exam Q&A 2022/2023

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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 - Answer- B: Cooling mode Heat pumps can provide both heating in the winter and cooling in the summer. In which mode is the hea...

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HVAC NATE Heat Pump Q&A 2022/2023

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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 cy...

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NATE Gas Heating Exam Q&A 2022/2023

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Since 1992, the United States Department of Energy has required that all furnaces sold and installed from that date on must have an AFUE of no less than: A: 70% B: 75% C: 78% D: 80% - Answer- C: 78% Many pre-1992 furnaces have efficiencies around _______. A: 10% B: 40% ...

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NATE Exam: Air Conditioning and Heat Pumps

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Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above - Answer- d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum s...

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NATE A/C Exam #1 Q&A 2022/2023

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Low airflow over a residential split system air conditioning evaporator can cause A: Liquid flood-back to the compressor B: A decrease in compression ratio C: An increase in suction line superheat D: Oil logging in the evaporator - Answer- A: Liquid flood-back to the compressor ...

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NATE A/C Exam #2 Q&A 2022/2023

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The Fahrenheit scale is based on boiling water at sea level at what temperature? A: 459 degrees B: 212 degrees C: 180 degrees D: 100 degrees - Answer- B: 212 degrees Zero pounds gauge corresponds on the absolute scale to: A: 144 B: 212 C: 14.7 D: zero - Ans...

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