Gas fitter 2 practice test
Study online at https://quizlet.com/_6v2xxx
1. A room heater installed in either a sleeping area or B
public area shall be:
A. direct vent only
B. equipped with a regulator
C. equipped with a fan
D. equipped with an on / off switch on the wall
2. What type of vent must be used when the vent of a D
wall furnace will be concealed in a partition wall?
A. B vent
B. L vent
C. BH vent
D. BW vent
3. Single wall vent connectors: D
A. may pass through floors, ceilings or roofs provided
a metal thimble is used
B. may pass through floors, ceilings or roofs provid-
ed the required minimum distance from combustible
material is maintained
C. may pass through floors, ceilings or roofs provided
they are insulated
D. shall not pass through floors, ceilings or roofs
4. BW vent shall be used only with an approved: D
A. decorative appliance
B. down flow furnace
C. revertible flue boiler
D. recessed wall furnace
5. What must be done during the installation of a gas log B
fireplace?
, Gas fitter 2 practice test
Study online at https://quizlet.com/_6v2xxx
A. Make sure there is a metal mesh screen in front of
the fireplace
B. Secure the chimney damper in the open position
C. Install a pressure regulator
D. Install a metal chimney liner
6. When can a certified hose be used to connect a con- A
struction heater to temporary piping?
A. Only if a lever handle shut off valve is installed
upstream of the hose
B. Only if the hose is 15 feet long
C. Never
7. Which of the following is acceptable when a fireplace A
insert is installed?
A. A metal chimney linear
B. The existing fireplace flue
C. BW vent
D. A tile lined fireplace flue?
8. An unvented infra-red heater can be installed in D
________ application
A. A warehouse
B. A commercial building
C. An industrial building
D. All of the above
9. Dirt pockets are required on: D
A. Decorative appliances
B. Gas logs
C. Room heaters
D. None of the available choices
, Gas fitter 2 practice test
Study online at https://quizlet.com/_6v2xxx
10. What diameter and length of a dirt pocket is required D
when a drop line is 3-inch diameter?
A. 3 inch diameter by 3 inches long
B. 1 inch diameter by 3 inches long
C. 3/4 inch diameter by 3 inches long
D. 2 inch diameter by 3 inches long
11. What type of room heater maybe installed in a bath- D
room?
A. Natural draft
B. Direct fired
C. Forced draft
D. Direct vent
12. What safety control protects a steam boiler if the con- D
densate pump fails to return water to the boiler?
A. High pressure limit control
B. Low pressure limit control
C. Flame safeguard control
D. Low water cut off
13. The relief valve for a residential low-pressure hot wa- C
ter boiler system should be?
A. 14.7 psia
B. 15 psia
C. 30 psig
D. 30 psia
14. A backflow prevent used in a boiler system should be B
located in the:
A. Over flow line connected to the drain
B. Return line close to the boiler
, Gas fitter 2 practice test
Study online at https://quizlet.com/_6v2xxx
C. 1/4" line connecting the boiler and cushion tank
D. Make up water line to the system
15. Automatic chlorinators must be installed: B
A. upstream of the heater
B. downstream of the heater
C. upstream of the filter
D. downstream of the filter
16. On seasonal start up, a pool heater should run: C
A. intermittently
B. continuously for 24 hours
C. continuously until the thermostat is satisfied
D. one hour on and one hour off until the thermostat
is satisfied
17. Before lighting a burner in a steam boiler, ensure A
that:
A. there is water in the boiler
B. the temperature controller is set properly
C. the main burner test firing valve is turned on
D. the safety valves are open
18. The recommended water temperature setting from a B
mixing valve to the domestic water system in com-
bination heating systems that employ oil-fired water
heaters for heating potable water and for space heat-
ing is:
A. 43°C (110°F)
B. 49°C to 54°C (120°F to 130°F)
C. 60°C to 66°C (140°F to 150°F)
D. 83°C (180°F)
Study online at https://quizlet.com/_6v2xxx
1. A room heater installed in either a sleeping area or B
public area shall be:
A. direct vent only
B. equipped with a regulator
C. equipped with a fan
D. equipped with an on / off switch on the wall
2. What type of vent must be used when the vent of a D
wall furnace will be concealed in a partition wall?
A. B vent
B. L vent
C. BH vent
D. BW vent
3. Single wall vent connectors: D
A. may pass through floors, ceilings or roofs provided
a metal thimble is used
B. may pass through floors, ceilings or roofs provid-
ed the required minimum distance from combustible
material is maintained
C. may pass through floors, ceilings or roofs provided
they are insulated
D. shall not pass through floors, ceilings or roofs
4. BW vent shall be used only with an approved: D
A. decorative appliance
B. down flow furnace
C. revertible flue boiler
D. recessed wall furnace
5. What must be done during the installation of a gas log B
fireplace?
, Gas fitter 2 practice test
Study online at https://quizlet.com/_6v2xxx
A. Make sure there is a metal mesh screen in front of
the fireplace
B. Secure the chimney damper in the open position
C. Install a pressure regulator
D. Install a metal chimney liner
6. When can a certified hose be used to connect a con- A
struction heater to temporary piping?
A. Only if a lever handle shut off valve is installed
upstream of the hose
B. Only if the hose is 15 feet long
C. Never
7. Which of the following is acceptable when a fireplace A
insert is installed?
A. A metal chimney linear
B. The existing fireplace flue
C. BW vent
D. A tile lined fireplace flue?
8. An unvented infra-red heater can be installed in D
________ application
A. A warehouse
B. A commercial building
C. An industrial building
D. All of the above
9. Dirt pockets are required on: D
A. Decorative appliances
B. Gas logs
C. Room heaters
D. None of the available choices
, Gas fitter 2 practice test
Study online at https://quizlet.com/_6v2xxx
10. What diameter and length of a dirt pocket is required D
when a drop line is 3-inch diameter?
A. 3 inch diameter by 3 inches long
B. 1 inch diameter by 3 inches long
C. 3/4 inch diameter by 3 inches long
D. 2 inch diameter by 3 inches long
11. What type of room heater maybe installed in a bath- D
room?
A. Natural draft
B. Direct fired
C. Forced draft
D. Direct vent
12. What safety control protects a steam boiler if the con- D
densate pump fails to return water to the boiler?
A. High pressure limit control
B. Low pressure limit control
C. Flame safeguard control
D. Low water cut off
13. The relief valve for a residential low-pressure hot wa- C
ter boiler system should be?
A. 14.7 psia
B. 15 psia
C. 30 psig
D. 30 psia
14. A backflow prevent used in a boiler system should be B
located in the:
A. Over flow line connected to the drain
B. Return line close to the boiler
, Gas fitter 2 practice test
Study online at https://quizlet.com/_6v2xxx
C. 1/4" line connecting the boiler and cushion tank
D. Make up water line to the system
15. Automatic chlorinators must be installed: B
A. upstream of the heater
B. downstream of the heater
C. upstream of the filter
D. downstream of the filter
16. On seasonal start up, a pool heater should run: C
A. intermittently
B. continuously for 24 hours
C. continuously until the thermostat is satisfied
D. one hour on and one hour off until the thermostat
is satisfied
17. Before lighting a burner in a steam boiler, ensure A
that:
A. there is water in the boiler
B. the temperature controller is set properly
C. the main burner test firing valve is turned on
D. the safety valves are open
18. The recommended water temperature setting from a B
mixing valve to the domestic water system in com-
bination heating systems that employ oil-fired water
heaters for heating potable water and for space heat-
ing is:
A. 43°C (110°F)
B. 49°C to 54°C (120°F to 130°F)
C. 60°C to 66°C (140°F to 150°F)
D. 83°C (180°F)
