Igniter - Study guides, Class notes & Summaries

Combustion Requirements (3) - Answer Air, Fuel, Heat Complete Combustion Produces (4) - Answer Water vapor, carbon dioxide, heat, and non combustible ashes incomplete combustion produces (3) - Answer carbon monoxide, hydrocarbons, and other gases rate at which fuel burns is controlled by - Answer the amount of available air air to fuel ratio is a - Answer critical factor in obtaining optimum fuel combustion BTU - Answer British Thermal Unit, The amount of energy needed...

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...

HVAC Gas Heat Certification Exam Prep (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade QUESTION Describe the difference between a single-rod (local sensing ) and dual-rod (remote sensing system as the pertain to flame rectification. Answer: Flame rectification system can be classified as eatiher single rod. (local sensing) or dual rod (remote sensing) single rod, consist of an igniter and sensor all in one-rod, Dual-rod system use a separate ig...

HIMARS components 2023 Universal Gunner's Display Unit (UGDU) - ANSWER-allows the operator to interface with the UFCS. Located in the cab Rugged Memory Unit (RMU) - ANSWER-Stores the operational software necessary to operate the HIMARS launcher. The RMU is a portable data storage device consisting of a 1 gigabyte of memory with the USB 2 gig standard. Located in the second curbside sponson HIMARS Universal Launcher Interface Unit (HULIU) - ANSWER-controls the overall operations of th...

Gas Technician G2 Exam (2024/ 2025) Questions and Verified Answers| 100% Correct| Grade A Q: On an Electrical Schematic, all operating controls are drawn: Answer: Normally Open Q: As the length of a Conductor Increases, the Voltage Drop along the Conductor: Answer: Increases Q: When a new appliance is to be installed in a typical residential basement and the Supply Wiring to it is concealed, which of the following types of wire is acceptable, and most cost effectiv...

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...

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:...

Oil Heat Unit 32 Questions and Answers Rated A+ How many grades of fuel oil are normally considered as heating oils. There are six What two elements make up fuel oil Carbon and Hydrogen The most common fuel oil used for residential and light commercial is? Number two As the temperature of an oil sample decreases; The viscosity of the oil increases If oil is to be stored at temperatures lower than 20 degrees F. The viscosity will be thicker. Explain why periodic oil tank insp...

ESCO Study set- gas furnaces Test Questions and Answers 100% Solved Burning one cubic foot of natural gas will produce approximately _____ BTU's ️️900- 1,100 BTU The National Fuel Gas Code classifies a vent system for a condensing furnace as; ️️Category IV what type of draft is used to move flue gas through the heat exchanger and into the venting system in modern gas-fired furnaces? ️️Mechanical A customer complains that a 2 year- old, direct, hot surface ignition furnac...

The reducing of oil into very small particles is termed a) atomization. b) fractionation. c) turbulence. d) fluidization. correct answersa A multi -burner cluster has secondary and tertiary nozzles ignited by a) an igniter spark. b) an intermittent pilot flame. c) the primary burner. d) an interrupted pilot. correct answersc Intermediate and high fire burner nozzles may have higher capacities than the primary burner nozzle to a) give greater firing variations. b) pre...