Nate gas heating air - Study guides, Class notes & Summaries

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...

NATE Gas Heating Exam Latest Update 2024...

All NATE specialties are offered at two levels. They are: - Installation and Service Codes are different than industry standards because codes are - Required by Law Customers often judge the ability of an HVACR technician by - His Apperance, Neatness of vehicle, cleanliness of work equipment (All of the above) Every HVACR technician must become certified under the EPA Section 608 regulations. This certification is to ensure the technician understands and complies with the regulations regard...

NATE Gas Heating Exam Questions and Answers 100% Pass 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% C: 60% D: 80% -Answer-C: 60% Today, furnaces with AFUE ratings greater than _____ are available. A: 85% B: 90% C: 100% D: 110% -Answer-B: 90% A thermocouple is ...

HVAC NATE Heat Pump Exam Questions With Correct Answers Updated 2024/2025 (Graded A+) What is the primary purpose of using flux when soldering copper or brass parts? -Ans Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? -Ans Drain off and away from the outdoor coil. Why must the runoff be drained off and away from the outdoor coil? -AnsExcessive ice can build up on the bottom of the coil and can reduce capacity. What is the component th...

NATE Gas Heating Exam Verified Questions and answers 2023 Latest Update 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% D: 110% - correct ...

NATE Gas Heating Exam/ Questions with Verified Answers. Terms like: A yellow burner flame is usually caused by: A: A weak ignitor B: Lack of sufficient air C: Low gas pressure D: Too much primary air - Answer: B: Lack of sufficient air A lifting burner flame is usually caused by: A: A new ignitor that has not been broken in B: High gas pressure and/or too much primary air C: Low gas pressure and/or not enough primary air D: Blockage in the flue - Answer: B:...

NATE Gas Heating Exam Verified Questions and answers 2023 Latest Update 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% D: 110% - correct ...

NATE Gas Heating Exam Questions and Answers Already Passed 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% C: 78% Many pre-1992 furnaces have efficiencies around _______. A: 10% B: 40% C: 60% D: 80% C: 60% Today, furnaces with AFUE ratings greater than _____ are available. A: 85% B: 90% C: 100% D: 110% B: 90% A thermocouple is used with: A: Interm...