GAS TECHNICIAN G2 PRACTICE EXAM 2025/2026
QUESTIONS WITH ANSWERS GRADED A+
✔✔Outdoor use only. - ✔✔What location can you install a #3.16 manual shut off valve?
✔✔1. Type of fuel - ✔✔
✔✔2. Supply pressure - ✔✔
✔✔3. Type of material - ✔✔
✔✔4. Pressure drop - ✔✔
✔✔5. Length of piping - ✔✔
✔✔6. Total btu input for each appliance - ✔✔What must you know to size a piping
system.
✔✔Steel - ✔✔copper, plastic clause 6.1.1,What material should a piping and tubing
system be made of?
✔✔True - provided they are cleaned - ✔✔inspected, tested and the equivalent of new
material. Clause 6.1.2,Piping, tubing and fittings can be reused true or false
✔✔Malleable steel and iron. Clause 6.2.2 - ✔✔What type material(s) is a fitting required
to be when used with steel pipe?
✔✔ASTM A53. Clause 6.2.1 - ✔✔Piping shall comply with what standard?
✔✔Schedule 40. Clause 6.2.3 - ✔✔Gas piping with operating pressure up to and
including 125 PSIG shall be at least schedule?
✔✔Type G - ✔✔L, K. Clause 6.2.4,What type of Copper tubing is used for gas system?
✔✔Type L or G externally coated with extruded polyethylene - ✔✔or type K. Clause
6.2.7,Copper tubing underground shall be either type:
✔✔350 psi. Clause 6.2.9 - ✔✔Every hose and fitting shall have a minimum working
pressure of?
✔✔Outdoor and underground services. Clause 6.2.16 - ✔✔Plastic piping or tubing shall
only be used for
QUESTIONS WITH ANSWERS GRADED A+
✔✔Outdoor use only. - ✔✔What location can you install a #3.16 manual shut off valve?
✔✔1. Type of fuel - ✔✔
✔✔2. Supply pressure - ✔✔
✔✔3. Type of material - ✔✔
✔✔4. Pressure drop - ✔✔
✔✔5. Length of piping - ✔✔
✔✔6. Total btu input for each appliance - ✔✔What must you know to size a piping
system.
✔✔Steel - ✔✔copper, plastic clause 6.1.1,What material should a piping and tubing
system be made of?
✔✔True - provided they are cleaned - ✔✔inspected, tested and the equivalent of new
material. Clause 6.1.2,Piping, tubing and fittings can be reused true or false
✔✔Malleable steel and iron. Clause 6.2.2 - ✔✔What type material(s) is a fitting required
to be when used with steel pipe?
✔✔ASTM A53. Clause 6.2.1 - ✔✔Piping shall comply with what standard?
✔✔Schedule 40. Clause 6.2.3 - ✔✔Gas piping with operating pressure up to and
including 125 PSIG shall be at least schedule?
✔✔Type G - ✔✔L, K. Clause 6.2.4,What type of Copper tubing is used for gas system?
✔✔Type L or G externally coated with extruded polyethylene - ✔✔or type K. Clause
6.2.7,Copper tubing underground shall be either type:
✔✔350 psi. Clause 6.2.9 - ✔✔Every hose and fitting shall have a minimum working
pressure of?
✔✔Outdoor and underground services. Clause 6.2.16 - ✔✔Plastic piping or tubing shall
only be used for
