G2 & Gas Technician G2 Exam 2/ G2 & Gas Technician G2 Exam 2 Preparation
G2 & GAS TECHNICIAN G2 EXAM 2/ G2 & GAS TECHNICIAN G2 EXAM 2
PREPARATION /G2 & GAS TECHNICIAN G2 PRACTICE EXAM 2 NEWEST
2025/2026 COMPLETE 150 QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |BRAND NEW VERSION!!
1) When converting oil furnace to gas what type of atmospheric burner can be
use?
A. Burner tray.
B. Inshot.
C. Ribbon burner.
D. Primary air fan assist burner. - Correct Answer-B. Inshot.
2) If the flue gases are remove from the front of the appliance we could assume
that it's a?
A. 1 to 3 flue pasts boiler.
B. 2 to 6 flue pasts boiler.
C. 2 to5 flue pasts boiler.
D. 2 to 4 flue pasts boiler. - Correct Answer-D. 2 to 4 flue pasts boiler.
3) Can a gas log fire place be installed in a sleeping quarter?
A. Yes, if proper air supply is added.
B. Yes, if the venting is over sized.
C. No, even if new venting is installed.
D. Yes, only if it a bed sitting room. - Correct Answer-C. No, even if new venting is
installed.
1|Page
, G2 & Gas Technician G2 Exam 2/ G2 & Gas Technician G2 Exam 2 Preparation
4) What is the minimum distance that a vent from an appliance with an input of
110,000 btuh can be from a non-mechanical air supply?
A. 1ft
B. 2ft
C. 3ft
D. 6th - Correct Answer-C. 3ft
If the boiler flue gases are remove from the front of the appliance we could
assume that it's a?
A. 1 to 3 flue pasts boiler.
B. 2 to 6 flue pasts boiler.
C. 2 to5 flue pasts boiler.
D. 2 to 4 flue pasts boiler. - Correct Answer-D. 2 to 4 flue pasts boiler.
Can a gas log fire place be installed in a sleeping quarter?
A. Yes, if proper air supply is added.
B. Yes, if the venting is over sized.
C. No, even if new venting is installed.
D. Yes, only if it a bed sitting room. - Correct Answer-C. No, even if new venting is
installed.
What is the minimum distance that a vent from an appliance with an input of i
10,000 btuh be from a non-mechanical air supply?
2|Page
, G2 & Gas Technician G2 Exam 2/ G2 & Gas Technician G2 Exam 2 Preparation
A. 1ft
B. 2ft
C. 3ft
D. 6th - Correct Answer-D. 6th
8) On a presssuretol, the main burner starts on?
A. Pressure rise.
B. Water level.
C. Pressure differential.
D. Steam system output. - Correct Answer-C. Pressure differential.
On a hydronic heater system what control respond to a load change?
A. Low water cut off.
B. Expansion tank.
C. Flow switch.
D. Aquastat. - Correct Answer-D. Aquastat.
Installation of a propane tank under 1000 USWG what would be the minimum
distance from a building?
A. 25'
B. 30'
C. 15'
D. 10' - Correct Answer-D. 10'
3|Page
, G2 & Gas Technician G2 Exam 2/ G2 & Gas Technician G2 Exam 2 Preparation
If an appliance is less than 85% efficient and non positive it would be considered
a?
A. Category 2
B. Category 1
C. Category 4
D. Category 3 - Correct Answer-B. Category 1
For a steam boiler what would be the most important safety control?
A. Flame scanner.
B. Flame roll out switch.
C. Low water cut off.
D. High limit steam lock out control. - Correct Answer-C. Low water cut off.
For a low pressure steam boiler what would be the maximum steam pressure
setting?
A. 30psi
B. 25psi
C. 10psi
D. 15psi - Correct Answer-D. 15psi
What would be the minimum distance from a gas meter a dryer vent should
terminate?
A. 3'
4|Page
G2 & GAS TECHNICIAN G2 EXAM 2/ G2 & GAS TECHNICIAN G2 EXAM 2
PREPARATION /G2 & GAS TECHNICIAN G2 PRACTICE EXAM 2 NEWEST
2025/2026 COMPLETE 150 QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |BRAND NEW VERSION!!
1) When converting oil furnace to gas what type of atmospheric burner can be
use?
A. Burner tray.
B. Inshot.
C. Ribbon burner.
D. Primary air fan assist burner. - Correct Answer-B. Inshot.
2) If the flue gases are remove from the front of the appliance we could assume
that it's a?
A. 1 to 3 flue pasts boiler.
B. 2 to 6 flue pasts boiler.
C. 2 to5 flue pasts boiler.
D. 2 to 4 flue pasts boiler. - Correct Answer-D. 2 to 4 flue pasts boiler.
3) Can a gas log fire place be installed in a sleeping quarter?
A. Yes, if proper air supply is added.
B. Yes, if the venting is over sized.
C. No, even if new venting is installed.
D. Yes, only if it a bed sitting room. - Correct Answer-C. No, even if new venting is
installed.
1|Page
, G2 & Gas Technician G2 Exam 2/ G2 & Gas Technician G2 Exam 2 Preparation
4) What is the minimum distance that a vent from an appliance with an input of
110,000 btuh can be from a non-mechanical air supply?
A. 1ft
B. 2ft
C. 3ft
D. 6th - Correct Answer-C. 3ft
If the boiler flue gases are remove from the front of the appliance we could
assume that it's a?
A. 1 to 3 flue pasts boiler.
B. 2 to 6 flue pasts boiler.
C. 2 to5 flue pasts boiler.
D. 2 to 4 flue pasts boiler. - Correct Answer-D. 2 to 4 flue pasts boiler.
Can a gas log fire place be installed in a sleeping quarter?
A. Yes, if proper air supply is added.
B. Yes, if the venting is over sized.
C. No, even if new venting is installed.
D. Yes, only if it a bed sitting room. - Correct Answer-C. No, even if new venting is
installed.
What is the minimum distance that a vent from an appliance with an input of i
10,000 btuh be from a non-mechanical air supply?
2|Page
, G2 & Gas Technician G2 Exam 2/ G2 & Gas Technician G2 Exam 2 Preparation
A. 1ft
B. 2ft
C. 3ft
D. 6th - Correct Answer-D. 6th
8) On a presssuretol, the main burner starts on?
A. Pressure rise.
B. Water level.
C. Pressure differential.
D. Steam system output. - Correct Answer-C. Pressure differential.
On a hydronic heater system what control respond to a load change?
A. Low water cut off.
B. Expansion tank.
C. Flow switch.
D. Aquastat. - Correct Answer-D. Aquastat.
Installation of a propane tank under 1000 USWG what would be the minimum
distance from a building?
A. 25'
B. 30'
C. 15'
D. 10' - Correct Answer-D. 10'
3|Page
, G2 & Gas Technician G2 Exam 2/ G2 & Gas Technician G2 Exam 2 Preparation
If an appliance is less than 85% efficient and non positive it would be considered
a?
A. Category 2
B. Category 1
C. Category 4
D. Category 3 - Correct Answer-B. Category 1
For a steam boiler what would be the most important safety control?
A. Flame scanner.
B. Flame roll out switch.
C. Low water cut off.
D. High limit steam lock out control. - Correct Answer-C. Low water cut off.
For a low pressure steam boiler what would be the maximum steam pressure
setting?
A. 30psi
B. 25psi
C. 10psi
D. 15psi - Correct Answer-D. 15psi
What would be the minimum distance from a gas meter a dryer vent should
terminate?
A. 3'
4|Page
