Gas Technician G2 Exam (New ) Questions and Verified Answers

Gas Technician G2 Exam (New 2025/ 2026)
Questions and Verified Answers| 100%
Correct| A Grade
Q: Posts protecting piping and tubing entering a building from vehicular damage shall be?
J J J J J J J J J J J J J

a. clearlyJmarkedJandJidentifiedJwithJyellowJpaint
b. BeJspacedJnotJmoreJthanJ48"Japart
c. BuriedJnotJlessJthanJ36"JbelowJgrade
d. MadeJfromJ6x6JpressureJtreatedJwood


Answer:
BuriedJnotJlessJthanJ36"JbelowJgradeJ(6.16
.15)



Q: The equivalent length of a 2 1/2 NPS forged tee is?
J J J J J J J J J J J

a. 9.25'
b. 12.4'
c. 15.3'
d. 10.3'


Answer:
9.25'J(TableJAJ16)



Q: What is the maximum horizontal spacing of supports for N.P.S. 1 1/4 inch gas pipe?
J J J J J J J J J J J J J J J

a. 8'
b. 15'
c. 6'
d. 10'


Answer:
10'J(3m)J(TableJ6.2)



Q: When gas piping enters a building, it must?
J J J J J J J J

a. EnterJaboveJgrade

,b. BeJtaped,Jpainted,JandJsleeved
c. HaveJaJtracerJwire
d. EnterJbelowJgrade


Answer:
EnterJaboveJgradeJ(6.15.8)



Q: When sizing a branch line, what is the minimum size of job fabricated welding fittings that can b
J J J J J J J J J J J J J J J J J J

eJusedJonJaJNPSJ6JgasJsupplyJheader?
a. 2"JNPS
b. 3/4"JNPS
c. 3"JNPS
d. 1/2"JNPS


Answer:
3/4"JNPSJ(6.8.8)



Q: A dirt pockets shall be installed at the bottom of any piping or tubing, on the final drop serving an
J J J J J J J J J J J J J J J J J J J J

applianceJotherJthanJa(n)
J

a. UnitJHeater
b. Furnace
c. ClothesJdryer
d. Boiler


Answer:
ClothesJdryerJ(6.13.1)



Q: Direct-vent wall furnace shall use what maximum length of corrugated metal gas connector?
J J J J J J J J J J J J J

a. 6Jft.
b. 4Jft.
c. 8Jft.
d. 2Jft.


Answer:
2Jft.J(6.21.3(c))

,Q: Every gas hose and gas fitting shall have a minimum working pressure of what.
J J J J J J J J J J J J J J

a. 275JPSIGJminimumJorJtheJsettingJofJtheJhydrostaticJreliefJvalves.
b. 350JPSIGJforJpipingJandJtubingJoperatingJatJaJcontainer.
c. 350JPSIG
d. 250JPSIGJwhenJconnectedJtoJtheJoutletJofJaJpumpJorJcompressor.


Answer:
350JPSIGJ(6.2.9)



Q: What are the requirements for back filling underground piping or tubing?
J J J J J J J J J J J

a. ItJshallJnotJhaveJstonesJlargerJthanJ38Jmm
b. TheJfillJmaterialJshallJcontainJnoJsharpJobjects.
c. AJtrenchJmustJbeJdugJ15JinchesJdeep
d. AllJofJtheJchoices


Answer:
TheJfillJmaterialJshallJcontainJnoJsharpJobjectsJ(6.15.6)



Q: Question 17
J J

WhatJisJtheJapproximateJpurgingJtimeJforJNPSJ1JthatJisJ40JfeetJinJlength?
a. 7JSeconds
b. 28JSeconds
c. 14JSeconds
d. 43JSeconds


Answer:
28JsecondsJ(AnnexJHJTableJH.1)



Q: What is the maximum distance a readily accessible manual shut-
J J J J J J J J J J

offJvalveJmayJbeJinstalledJfromJanJappliance?
a. 2Jft.JandJidentified
b. 10Jft.JandJidentified
c. 25Jft.JandJidentified
d. 50Jft.JandJidentified


Answer:
50Jft.JandJidentifiedJ(6.18.2(d))

, Q: What is the minimum unthreaded portion of a piping outlet required when installing a gas piping
J J J J J J J J J J J J J J J J

throughJaJfloorJforJaJrange?
J

a. 2JInches
b. 6JInches
c. 3JInches
d. 12JInches


Answer:
2JinchesJ(6.12.2)



Q: When a high pressure test is required on a gas piping system, what type of medium would you
J J J J J J J J J J J J J J J J J J J

useJtoJperformJthisJtest.
a. HighJPressureJgas
b. StaticJpressureJusingJgas
c. LowJpressureJgas
d. AirJorJanJinertJgas


Answer:
AirJorJanJinertJgas



Q: Nesting of bushings is permitted True
J J J J J J

False


Answer:
FalseJ(6.14.2)



Q: Underground piping shall be joined or connected by welding, approved mechanical compressio
J J J J J J J J J J J J

n,JorJpress-connectJfittings.
TrueJ
False


Answer:
TrueJ(6.15.2)