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NHIE code/common questions/AHIT With Accurate Solved Solutions
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The minimum size calculation for a room safely containing an unvented appliance is _____. 10 square feet of volume for every 20 Btu/h. 1 cubic foot of volume for every 20 Btu/h 1 square foot of volume for every 20 Btu/h. There is no minimum size calculation. - CORRECT ANSWER-1 cubic foot of v...

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  • August 20, 2024
  • 9
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nhie codecommon questionsahit with accurate solv
  • nhie codecommon questionsahit stuvia
  • the minimum size calculation for a room safely con

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NHIE code/common questions/AHIT
With Accurate Solved Solutions

The minimum size calculation for a room safely containing an unvented appliance is
_____.



10 square feet of volume for every 20 Btu/h.

1 cubic foot of volume for every 20 Btu/h

1 square foot of volume for every 20 Btu/h.

There is no minimum size calculation. - CORRECT ANSWER-1 cubic foot of volume for
every 20 Btu/h



Whole house fans rely on _____.



an adequate amount of ventilation in the attic to effectively exhaust

photovoltaic cells to power them

regular monthly changing of their filters

winter weather to provide comfort - CORRECT ANSWER-An adequate amount of
ventilation in the attic to effectively exhaust



Why do copper pipes turn green at solder joints?



improperly brazed joints

improperly welded joints

improper soldering, too much flux left on piping

water leaks - CORRECT ANSWER-Improper soldering, too much flex left on piping



A material with a high resistance would be a _____.

, good conductor

good insulator

good neutral wire

good transformer - CORRECT ANSWER-Good insulator



Vented and unvented room heaters _____.



are never used in small homes or seasonal cabins

can be connected to ductwork to serve adjoining rooms

have no vertical flue to the exterior

use radiation, convection, and/or a fan to distribute heat throughout the room -
CORRECT ANSWER-Use radiation, convection, and/or a fan



Which of the following vents is normally controlled by a thermostat?



power ventilator

ridge vent

roof-top vent

turbine vent - CORRECT ANSWER-Power ventilator



When testing two-slot receptacles with the neon bulb tester, which of the following
would show reversed polarity?



hot and neutral slots tested, and the bulb lights

hot slot and cover plate screw tested, and the bulb lights

neutral and hot slots tested, and the bulb doesn't light

neutral slot and cover plate screw tested, and the bulb lights - CORRECT ANSWER-
Neutral slot and cover plate screw tested, and bulb lights



Where will the oil filter be located in the oil supply line?

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