G2 gas technician Study guides, Class notes & Summaries

Gas Technician G2 License Certification Exam Questions and answers with 100% Complete Solutions | verified &updated 2024

G2 Final Exam Questions and answers with 100% Complete Solutions | verified &updated 2024 What is the min. diameter for a leak test gauge? - 3" Amp meter can read? - Conductor magnetic field. What would the primary voltage to the furnace be? - 120/1/60 What is the function of the intermittent pilot? - Stays on during the main burner operation. What is the millivolt power output of a closed circuit thermocouple? - 10 - 15 mv dc A pilot with a lazy yellow flame indicates? - Orifice is too la...

What does an Aquastat do? - correct answer Its an automatic operating switch (normally open). Sense water temperature of a boiler and closes when temperature drops. What does a low water cut off do? - correct answer Automatic safety control (normally closed). Senses water level in the boiler. If level drops the switch opens and shuts off the gas valve. in series with gas valve.,What does a water flow switch do? - correct answer Automatic safety control (normally open). Senses water flow an...

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...

G2 Gas Technician Module 19 Revised Questions Rated A If the venting on a high efficiency furnace runs through unheated spaces, what must be done? Insulate piping to prevent Condensation and freezing What is condensate drain piping used for? Dispose Liquid waste Once the furnace is installed, what are the gas technician's responsibilities to the user? To instruct the the user in the safe and correct operation of all appliances and equipment - clause 4.3.2 Which furnace type is the most popu...

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 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 11 Revised II Rated A The unit of potential difference or electromotive force. Volt The amount of electrical current that will move through one ohm of resistance when a force of one volt is applied. Amperage (amps) How do you measure electrical power. Watt (p) How do you calculate wattage. P = E x I Electrical resistance measurement Ohms 1 watt equals how many btu? 3.41 btu How do you measure amps In series How do you measure volts In parallel How do you measur...

G2 Gas Technician Exam Set Prep Solution Questions And Revised Correct Answers PASSED!! The best tool for adjusting and setting the pressure on an appliance regulator: a. Manometer b. Velometer c. Psychrometer d. An analyzer - ANSWER : Manometer 3/8 NPS black iron pipe shall? a. Not be used for propane b. Not be used in a concealed location c. Not be used for natural gas d. Not be used for indoors - ANSWER : Not be used in a concealed location (6.3.9) A corrugated metal g...

The best tool for adjusting and setting the pressure on an appliance regulator: a. Manometer b. Velometer c. Psychrometer d. An analyzer - Manometer 3/8 NPS black iron pipe shall? a. Not be used for propane b. Not be used in a concealed location c. Not be used for natural gas d. Not be used for indoors - Not be used in a concealed location (6.3.9) A corrugated metal gas connector connected to a range must not exceed?