G2 Gas Technician Module 15 A Revised Pro Test Questions And Answers(Verified).
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Course
Gas Technician G2 Licensing
Institution
Gas Technician G2 Licensing
What are the two main purposes of gas pressure regulators? - Answer 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? - Answer First stage/Service Regulator, Line Pressure Regulator, Ap...
G2 Gas Technician Module 15 A Revised
Pro Test Questions And
Answers(Verified).
What are the two main purposes of gas pressure regulators? - Answer 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? - Answer First stage/Service Regulator, Line
Pressure Regulator, Appliance Regulator
What is lock up pressure and how do you check it? - Answer The pressure under which downstream
pressure will stabilize after burner shuts down, Check it by closing shut-off valve and measure
downstream pressure
Where is the hydro-static relief valve used? - Answer Liquid Propane between two shut off valves
What must the size of the vent piping from a relief device be? - Answer Same size as the opening
What are the four elements of a direct-operated regulator? - Answer Loading Element, Measuring
Element, Restricting Element, Atmospheric Vent
When flow rate increases through a regulator, what happens to the downstream pressure? - Answer
Increases
What is the maximum allowed propane pressure in a building? - Answer 20 Psig
What controls the downstream pressure in a regulator? - Answer The Loading Element
What type of regulator arrangement is required in all permanent propane installations? - Answer Two
Stage Regulators
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