G2 gas - Study guides, Class notes & Summaries

G2 Gas Technician Module 12 Revised Exam Questions and answers with 100% Complete Solutions | verified &updated 2024

G2 Gas Technician Module 23 Revised with Verified Answers Why are air cleaners installed ahead of heating or cooling coils and air conditioners? To protect the equipment from dust and increase efficiency What are two ways in which a mechanical filter could restrict air flow? Dirty Air Filter and Incorrect Air Filter Name three types of air cleaners that can be used with a forced-air furnace? Media, electrostatic, and electronic Which type of air cleaner is usually the least expensive? Media/M...

G2 GAS REVIEW (UPDATED) 2024 QUESTIONS & ANSWERS RATED 100% CORRECT!!

G2 Gas Technician Module 22 Revised 100% Pass What pressure does atmospheric pressure exert on the earth at sea level? 14.74 psia What two things mean you must bring in combustion air. 1. Total BTU of appliance if greater than 400000 you must bring in combustion air. 2. If house is tight construction you also must bring in air. What is the maximum flue gases should be for a natural draft system? Why? 450 F is the max this is because safety concerns of having high heat in a combustible building...

G2 Gas Technician Module 13 Revised (2024/2025) Already Passed If inadequate combustion air is in a tightly sealed house what happens? Potenially leads to severe indoor air quality problems When changing a part of the heating system what 4 factors must the gas technician take into account? The building envelope, external environment, mechanical systems, and occupants What comprises the building envelope? Foundation and floor slabs, walls, roofs, and windows and doors What does the skin in the...

G2 Gas Technician Module 17 Revised (2023/2024) 100% Pass What are the factors governing a conversion? Availability of gas, efficiency if converted, access to combustible air, satisfactory ductwork, can a chimney liner be installed, clearances from combustibles, manufactures recommendations, if a water heater is also being installed (common vent or power vent), and age of the appliance Oil fired furnaces are recommended not to be converted at a certain age what is age is this? 10 years clause 4...

G2 Gas Technician Module 14 Revised Test Questions and answers with 100% Complete Solutions | verified &updated 2024

G2 Gas Technician Module 14 Revised Test Questions and answers with 100% Complete Solutions | verified &updated 2024

G2 Gas Technician Module 15 A Revised Already Passed What are the two main purposes of gas pressure regulators? To reduce and maintain the downstream pressure and to provide pressure to appliances or burners What are the four categories of a gas pressure regulators? First stage/Service Regulator, Line Pressure Regulator, Appliance Regulator What is lock up pressure and how do you check it? The pressure under which downstream pressure will stabilize after burner shuts down, Check it by closing ...

G2 Gas Technician Module 10 Questions and Answers Already Passed The working pressure differential between the gas meter outlet and the appliance regulator inlet at furthest appliance from meter Define pressure drop 0.5" w.c. What is the Max pressure drop >7" w.c. NG 1" w.c. What is the Max pressure drop 7" - 14" w.c. NG After piping system is installed and before any appliance is connected to it. When do you do a high pressure test? 1. Isolate the piping system 2. Cap or plug ope...