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21 True/False questions

  1. Temperature gaugeLow efficiency furnace could be located in the.....

          

  2. Dryer ductsFlexible dryer vents are only allowed between the dryer and a...

          

  3. 20 feetTe max distance from the attic access to an attic furnace is...

          

  4. 160 degreesTe max distance from the attic access to an attic furnace is...

          

  5. Low efficiencyForced air furnace with an open draft hood and open burners is considered.....

          

  6. 12 inches above the roofHow much clearance does a wall furnace need?

          

  7. AtticSight glass is not found in hydronic heating systems, but is found in what other type?

          

  8. Gas to air mixtureThe Venturi on a gas burner controls the....

          

  9. Defendant on the manufacturers instructionsEvery forced air furnace must have an electrical disconnect....

          

  10. GarageLow efficiency furnace could be located in the.....

          

  11. Open a door or windowFlexible dryer vents are only allowed between the dryer and a...

          

  12. Push the combustion gases through the heat exchangerA fan downstream from the heat exchanger is intended to

          

  13. 12 inchesFloor-register type furnace can't be closer to the wall than...

          

  14. Type "L"Oil burning appliance vents are usually vented with what type of pipe?

          

  15. Within sight of the furnaceEvery forced air furnace must have an electrical disconnect....

          

  16. 6 inchesFloor-register type furnace can't be closer to the wall than...

          

  17. ThermocoupleAll gas forced air furnaces must have a safety device that shuts off the gas in the event the pilot goes out called a.....

          

  18. Permanent ductFlexible dryer vents are only allowed between the dryer and a...

          

  19. 8 feetTe max distance from the attic access to an attic furnace is...

          

  20. 6 inchesHow much clearance does a wall furnace need?

          

  21. SteamSight glass is not found in hydronic heating systems, but is found in what other type?