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,Gas Fitter 2 Practice Test Questions And Answers With Verified Solutions
1. A room heater installed in either a sleeping area or 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: correct answer- B
2. What type of vent must be used when the vent of a wall furnace will be
concealed in a partition wall?
A. B vent
B. L vent
C. BH vent
D. BW vent: correct answer- D
3. Single wall vent connectors:
A. may pass through floors, ceilings or roofs provided a metal thimble is used
B. may pass through floors, ceilings or roofs provided 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: correct answer- D
,Gas Fitter 2 Practice Test Questions And Answers With Verified Solutions
4. BW vent shall be used only with an approved:
A. decorative appliance
B. down flow furnace
C. revertible flue boiler
D. recessed wall furnace: correct answer- D
5. What must be done during the installation of a gas log fireplace?
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: correct answer- B
6. When can a certified hose be used to connect a construction 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: correct answer- A
7. Which of the following is acceptable when a fireplace insert is installed?
A. A metal chimney linear
B. The existing fireplace flue
C. BW vent
, Gas Fitter 2 Practice Test Questions And Answers With Verified Solutions
D. A tile lined fireplace flue?: A
8. An unvented infra-red heater can be installed in application
A. A warehouse