Page 1
NHIE and AHIT Exam Latest Questions
and Correct Answers
This type of water heater ventilation system uses the natural
upward movement of airflow to filter exhaust gases up and
out of the home.
Ans: atmospheric ventilation system
The shutoff valve for a gas water heater's supply line may not
be more than _____ feet from the water heater.
Ans: 6
Water heaters must be installed in a location that has a level
working space that is at least _____ inches long and _____
inches wide.
Ans: 30, 30
Water heaters that use a gas fuel source may not be located
in a room with _____ machinery.
Ans: air-handling
Chimney Cap
Ans: mounted above the crown, preventing water,
birds, small animals, and debris from getting inside the
chimney while allowing smoke and gas to escape.
, Page 2
Chimney Crown
Ans: the top level of the chimney, with a sloped
surface directing much of the water away from the
chimney
Spark arrestor
Ans: mesh covering that stops sparks and embers from
leaving the chimney.
Irrigation systems conserve water by the use ___ ____ or ___
___ sensors (SMS).
Ans: rain sensors, soil moisture
What 2 components are in a zone for a sprinkler system?
Ans: valve, sprinkler head
What is a backflow preventor?
Ans: Stops water contaminated from pesticides,
fertilizers, or other chemicals from entering the home's
supply of drinking water by allowing water to flow only
one way
NHIE and AHIT Exam Latest Questions
and Correct Answers
This type of water heater ventilation system uses the natural
upward movement of airflow to filter exhaust gases up and
out of the home.
Ans: atmospheric ventilation system
The shutoff valve for a gas water heater's supply line may not
be more than _____ feet from the water heater.
Ans: 6
Water heaters must be installed in a location that has a level
working space that is at least _____ inches long and _____
inches wide.
Ans: 30, 30
Water heaters that use a gas fuel source may not be located
in a room with _____ machinery.
Ans: air-handling
Chimney Cap
Ans: mounted above the crown, preventing water,
birds, small animals, and debris from getting inside the
chimney while allowing smoke and gas to escape.
, Page 2
Chimney Crown
Ans: the top level of the chimney, with a sloped
surface directing much of the water away from the
chimney
Spark arrestor
Ans: mesh covering that stops sparks and embers from
leaving the chimney.
Irrigation systems conserve water by the use ___ ____ or ___
___ sensors (SMS).
Ans: rain sensors, soil moisture
What 2 components are in a zone for a sprinkler system?
Ans: valve, sprinkler head
What is a backflow preventor?
Ans: Stops water contaminated from pesticides,
fertilizers, or other chemicals from entering the home's
supply of drinking water by allowing water to flow only
one way
