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GAS TECHNICIAN G2 EXAM PREP | QUESTIONS
WITH 100% CORRECT ANSWERS | VERIFIED |
LATEST UPDATE 2024
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 gas connector connected to a range must not exceed?
,GAS TECHNICIAN G2 EXAM PREP | QUESTIONS
WITH 100% CORRECT ANSWERS | VERIFIED |
LATEST UPDATE 2024
a. 6'
b. 5'
c. 3'
d. 4' - ANSWER--6' (6.21.3)
A manual shut-off valve shall be installed?
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 - ANSWER--In either drop of riser of a residential appliance
(6.18.2)
Black iron pipe 2 1/2 NPS at 150' 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 - ANSWER--50 psig for 60 minutes (Table 6.3)
Buried piping or tubing shall be?
,GAS TECHNICIAN G2 EXAM PREP | QUESTIONS
WITH 100% CORRECT ANSWERS | VERIFIED |
LATEST UPDATE 2024
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 - ANSWER--Only copper type L coated, type G
coated, type K uncoated (6.2.7)
What is pressure drop?
a. The difference in the static 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 - ANSWER--The difference in the working
pressure at the gas meter, and the working pressure at the appliance regulator
Fittings used for steel piping may be made from?
a. brass or iron
b. copper to malleable iron
c. steel and plastic
d. malleable iron and steel - ANSWER--Malleable iron and steel (6.2.2)
, GAS TECHNICIAN G2 EXAM PREP | QUESTIONS
WITH 100% CORRECT ANSWERS | VERIFIED |
LATEST UPDATE 2024
Posts protecting piping and tubing entering a building from vehicular 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 - ANSWER--Buried not less than 36"
below grade
(6.16.15)
The equivalent length of a 2 1/2 NPS forged tee is?
a. 9.25'
b. 12.4'
c. 15.3'
d. 10.3' - ANSWER--9.25' (Table A 16)
What is the maximum horizontal spacing of supports for N.P.S. 1 1/4 inch gas
pipe?
a. 8'
b. 15'
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