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NATE Air Conditioning and Heat Pump Practice Questions with Complete Solutions
  • NATE Air Conditioning and Heat Pump Practice Questions with Complete Solutions

  • Exam (elaborations) • 20 pages • 2023
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  • NATE Air Conditioning and Heat Pump Practice Questions with Complete Solutions Which of the following factors affects a customers level of comfort? - Correct Answer All of the above A cooling load calculation estimates the sensible heat gain of the structure. The cooling-only system should be within _____% of this calculated value. - Correct Answer +15% The maximum sensible cooling capacity of a heat pump should be within ______% of the calculated sensible heat gain of a structure with a ...
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 NATE Gas Heating Exam with Complete Solutions 100% Verified Graded A+
  • NATE Gas Heating Exam with Complete Solutions 100% Verified Graded A+

  • Exam (elaborations) • 20 pages • 2023
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  • NATE Gas Heating Exam with Complete Solutions 100% Verified Graded A+ In a modern gas furnace, the component that separates the combustion gases from the supply air is the ______. a. gas valve b. heat exchanger c. inducer fan d. plenum box - Correct Answer b (heat exchanger) What type of furnace moves warm air through the conditioned space without a fan? a. Gravity b. Horizontal c. Lowboy d. Upflow - Correct Answer a (Gravity) Furnace heat exchangers generally are made of ______. ...
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HVAC NATE Heat Pump |171 questions| with correct answers
  • HVAC NATE Heat Pump |171 questions| with correct answers

  • Exam (elaborations) • 20 pages • 2023
  • On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? CORRECT ANSWER 6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? CORRECT ANSWER 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 from the outdoor coil. Why must the runoff be drained off and away from the outdoor coil? CORRECT ANSWER Exc...
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NATE - Gas & Heat 139 Questions with Complete Solutions
  • NATE - Gas & Heat 139 Questions with Complete Solutions

  • Exam (elaborations) • 14 pages • 2023
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  • NATE - Gas & Heat 139 Questions with Complete Solutions 3/8 to 1/2 inch of the end of the thermocouple: - Correct Answer Should be enveloped by the pilot flame A "cross break" made on all sides of any rectangular section of metal duct will: - Correct Answer Increase rigidity and reduced vibration A control string is defined as two or more switch contacts connected in a circuit, or set of circuits, to control a load. In order to troubleshoot a load controlled by a control string, the te...
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NATE Heat Pump Questions with Correct Answers 100% Verified
  • NATE Heat Pump Questions with Correct Answers 100% Verified

  • Exam (elaborations) • 14 pages • 2023
  • Available in package deal
  • NATE Heat Pump Questions with Correct Answers 100% Verified 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 excessive ...
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NATE Exam: Core Refresher, Essentials &  STUDY GUIDE Questions and Answers (Graded A)
  • NATE Exam: Core Refresher, Essentials & STUDY GUIDE Questions and Answers (Graded A)

  • Exam (elaborations) • 73 pages • 2023
  • NATE Exam: Core Refresher, Essentials & STUDY GUIDE Questions and Answers (Graded A)/NATE Exam: Core Refresher, Essentials & STUDY GUIDE Questions and Answers (Graded A)/NATE Exam: Core Refresher, Essentials & STUDY GUIDE Questions and Answers (Graded A)
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NATE Gas Heating Exam 50 Questions with Complete Solutions
  • NATE Gas Heating Exam 50 Questions with Complete Solutions

  • Exam (elaborations) • 18 pages • 2023
  • NATE Gas Heating Exam 50 Questions with Complete Solutions
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NATE CORE-Exam 2023 Questions and Answers
  • NATE CORE-Exam 2023 Questions and Answers

  • Exam (elaborations) • 10 pages • 2023
  • NATE CORE-Exam 2023 Questions and Answers When explaining to a customer that you have topped off the system charge, which of the following terms is most appropriate? - ANSWER-Refrigerant
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NATE Gas Heating Exam questions with correct answers
  • NATE Gas Heating Exam questions with correct answers

  • Exam (elaborations) • 19 pages • 2023
  • 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% CORRECT ANSWER C: 78% Many pre-1992 furnaces have efficiencies around _______. A: 10% B: 40% C: 60% D: 80% CORRECT ANSWER C: 60% Today, furnaces with AFUE ratings greater than _____ are available. A: 85% B: 90% C: 100%
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NATE Final Exam 2 Questions and Answers 2023
  • NATE Final Exam 2 Questions and Answers 2023

  • Exam (elaborations) • 23 pages • 2023
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  • NATE Final Exam 2
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