NHIE code/common questions/AHIT With Accurate Solved Solutions
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NHIE code/AHIT
Institution
NHIE Code/AHIT
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...
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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