Burner blower - Study guides, Class notes & Summaries

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 ...

HVAC Gas Heat certification exam Questions and Answers 100% Pass A gas furnace is to be installed in a garage. The national standards require that the burners and ignition sources must be located ______ above the floor - Correct Answer ️️ -18 inches A good description of how a bi-metal fan switch operates the blower motor on a gas furnace is - Correct Answer ️️ -Temperature on- temperature off Redundant gas valves used on gas furnaces have - Correct Answer ️️ -Dual gas shut o...

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answe...

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 Gas Heat Certification Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: Why is excess air supplied to all gas-burning appliance burners? Answer: to ensure that there is enough air all all times. Q: The purpose of a gas regulator at a gas burning appliance is to? Answer: B. decreases the pressure to the burner Q: Ture or False: All gas valves snap open and closed. Answer: False Q: Which of the followin...

FULL NHIE EXAM PRACTICE - Questions and Answers (Complete Solutions) Where you have found evidence of footing settlement, how can you predict whether there will be further settlement? (a) You can count the number of planes of movement. (b) You can determine the type of foundation material. (c) You cannot predict settlement from a single inspection. (d) You can determine the depth of the footing. You typically identify a Freon leak (a) As an oil stain (b) As refrigerant coming out of the Freon ...

HVAC Gas Heat Certification Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: What is the volume of flue gas produced from a 60,000 BTU/h Category I fan assisted Natural Gas furnace operating with 50% excess air? Answer: 600 cu ft. Q: The purpose of a flue baffle is to Answer: Increase heat exchange Q: The LP gas pressure supplied to the appliance gas valve should be Answer: 11 - 13 in. W.C. Q: An installed gas furna...

G2 Gas Technician Exam (2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A Q: Installation of a propane tank under 1000 USWG what would be the minimum distance from a regulator to a building opening? Answer: 3' Q: If an appliance is less than 85% efficient and non positive it would be considered a? Answer: Category 2. Q: For a steam boiler what would be the most important safety control? Answer: Low water cut off. Q: For a low pressure s...

heat-producing system, heat-distributing system correct answersIntroduction to Oil-Fired Forced-Warm-Air Furnaces Oil-fired forced-warm-air furnaces have two main systems: A ________________________, consisting of the oil burner, fuel supply components, combustion chamber, and heat exchangers A ______________________, consisting of the blower, and other related components powered, starts correct answersIntroduction to Oil-Fired Forced-Warm-Air Furnaces When thermostat calls for heat...

What does the timer do? Correct Answer-It shuts off either the primary burner, or afterburner at a preset time so that the operator doesn't have to shut them off manually. Name the 8 systems that have some kind of control, either by the operator or by an automated programmer. Correct Answer-1) Electric Activated Door Control 2) Blower 3) Combustion Burner 4) Afterburner 5) Timer 6) Temperature Controller/Indicator 7) Chart Reorder 8) Opacity Monitor What is the next step after th...