Gas Technician G2 Exam Prep 2026 UPDATE
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Terms in this set (298)
The best tool for adjusting and Manometer
setting the pressure on an
appliance regulator:
a.
Manometer
b.
Velometer
c.
Psychrometer
d.
An analyzer
3/8 NPS black iron pipe shall? Not be used in a concealed location (6.3.9)
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
,A corrugated metal gas connector 6' (6.21.3)
connected to a range must not
exceed?
a. 6'
b. 5'
c. 3'
d. 4'
A manual shut-off valve shall be In either drop of riser of a residential appliance
installed? (6.18.2)
a. only on natural gas appliances
b. in either drop of riser of a
residential appliance
c. downstream of the union
d. at the drip pocket
Black iron pipe 2 1/2 NPS at 150' 50 psig for 60 minutes (Table 6.3)
long shall be pressure tested to?
a. The greater of 50psig or 1.5 times
the maximum operation pressure
for 180 minutes
b. 50 psig for 180 minutes
c. 1.5 times the maximum operation
pressure for 180 minutes
d. 50 psig for 60 minutes
,Buried piping or tubing shall be? Only copper type L coated, type G coated, type
K uncoated (6.2.7)
a. only copper type L coated, type
G coated, type K uncoated
b. only copper type K, L or type G
c. schedule 50 ASTM A-53
d. only copper type L or G coated
What is pressure drop? The difference in the working pressure at the gas
meter, and the working pressure at the appliance
a. The difference in the static regulator
pressure at the meter, and the
working pressure at the appliance
regulator
b. The difference between the U
tube manometer is the end that is
open to the atmosphere and the
pressurized side when the
appliance regulator is working
c. The difference between supply
pressure and appliance manifold
pressure when the appliance calls
for heat
d. The difference in the working
pressure at the gas meter, and the
working pressure at the appliance
regulator
Fittings used for steel piping may Malleable iron and steel (6.2.2)
be made from?
a. brass or iron
b. copper to malleable iron
c. steel and plastic
d. malleable iron and steel
, Posts protecting piping and tubing Buried not less than 36" below grade
entering a building from vehicular (6.16.15)
damage shall be?
a. clearly marked and identified
with yellow paint
b. Be spaced not more than 48"
apart
c. Buried not less than 36" below
grade
d. Made from 6x6 pressure treated
wood
The equivalent length of a 2 1/2 NPS 9.25' (Table A 16)
forged tee is?
a. 9.25'
b. 12.4'
c. 15.3'
d. 10.3'
What is the maximum horizontal 10' (3m) (Table 6.2)
spacing of supports for N.P.S. 1 1/4
inch gas pipe?
a. 8'
b. 15'
c. 6'
d. 10'
When gas piping enters a building, Enter above grade (6.15.8)
it must?
a. Enter above grade
b. Be taped, painted, and sleeved
c. Have a tracer wire
d. Enter below grade
Verified Questions And Answers | With 100%
Correct Answers graded A+ Guaranteed
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Save
Terms in this set (298)
The best tool for adjusting and Manometer
setting the pressure on an
appliance regulator:
a.
Manometer
b.
Velometer
c.
Psychrometer
d.
An analyzer
3/8 NPS black iron pipe shall? Not be used in a concealed location (6.3.9)
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
,A corrugated metal gas connector 6' (6.21.3)
connected to a range must not
exceed?
a. 6'
b. 5'
c. 3'
d. 4'
A manual shut-off valve shall be In either drop of riser of a residential appliance
installed? (6.18.2)
a. only on natural gas appliances
b. in either drop of riser of a
residential appliance
c. downstream of the union
d. at the drip pocket
Black iron pipe 2 1/2 NPS at 150' 50 psig for 60 minutes (Table 6.3)
long shall be pressure tested to?
a. The greater of 50psig or 1.5 times
the maximum operation pressure
for 180 minutes
b. 50 psig for 180 minutes
c. 1.5 times the maximum operation
pressure for 180 minutes
d. 50 psig for 60 minutes
,Buried piping or tubing shall be? Only copper type L coated, type G coated, type
K uncoated (6.2.7)
a. only copper type L coated, type
G coated, type K uncoated
b. only copper type K, L or type G
c. schedule 50 ASTM A-53
d. only copper type L or G coated
What is pressure drop? The difference in the working pressure at the gas
meter, and the working pressure at the appliance
a. The difference in the static regulator
pressure at the meter, and the
working pressure at the appliance
regulator
b. The difference between the U
tube manometer is the end that is
open to the atmosphere and the
pressurized side when the
appliance regulator is working
c. The difference between supply
pressure and appliance manifold
pressure when the appliance calls
for heat
d. The difference in the working
pressure at the gas meter, and the
working pressure at the appliance
regulator
Fittings used for steel piping may Malleable iron and steel (6.2.2)
be made from?
a. brass or iron
b. copper to malleable iron
c. steel and plastic
d. malleable iron and steel
, Posts protecting piping and tubing Buried not less than 36" below grade
entering a building from vehicular (6.16.15)
damage shall be?
a. clearly marked and identified
with yellow paint
b. Be spaced not more than 48"
apart
c. Buried not less than 36" below
grade
d. Made from 6x6 pressure treated
wood
The equivalent length of a 2 1/2 NPS 9.25' (Table A 16)
forged tee is?
a. 9.25'
b. 12.4'
c. 15.3'
d. 10.3'
What is the maximum horizontal 10' (3m) (Table 6.2)
spacing of supports for N.P.S. 1 1/4
inch gas pipe?
a. 8'
b. 15'
c. 6'
d. 10'
When gas piping enters a building, Enter above grade (6.15.8)
it must?
a. Enter above grade
b. Be taped, painted, and sleeved
c. Have a tracer wire
d. Enter below grade
