ACCURACY IS GUARANTEED
NHIE and AHIT Exam Questions with Detailed
Verified Answers for Accuracy
This type of water heater ventilation system uses the natural
upward movement of airflow to filter exhaust gases up and out
of the home.
✓✓ atmospheric ventilation system
The shutoff valve for a gas water heater's supply line may not
be more than _____ feet from the water heater.
✓✓ 6
Water heaters must be installed in a location that has a level
working space that is at least _____ inches long and _____
inches wide.
✓✓ 30, 30
Water heaters that use a gas fuel source may not be located in a
room with _____ machinery.
✓✓ air-handling
Chimney Cap
✓✓ mounted above the crown, preventing water, birds, small
animals, and debris from getting inside the chimney while
allowing smoke and gas to escape.
Chimney Crown
, ACCURACY IS GUARANTEED
✓✓ the top level of the chimney, with a sloped surface directing
much of the water away from the chimney
Spark arrestor
✓✓ mesh covering that stops sparks and embers from leaving
the chimney.
Irrigation systems conserve water by the use ___ ____ or ___
___ sensors (SMS).
✓✓ rain sensors, soil moisture
What 2 components are in a zone for a sprinkler system?
✓✓ valve, sprinkler head
What is a backflow preventor?
✓✓ 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
What are 2 possible locations for the irrigation system's shut-
off valve?
✓✓ below backflow preventor or underground, in line with
water supply
Four types of well pumps:
NHIE and AHIT Exam Questions with Detailed
Verified Answers for Accuracy
This type of water heater ventilation system uses the natural
upward movement of airflow to filter exhaust gases up and out
of the home.
✓✓ atmospheric ventilation system
The shutoff valve for a gas water heater's supply line may not
be more than _____ feet from the water heater.
✓✓ 6
Water heaters must be installed in a location that has a level
working space that is at least _____ inches long and _____
inches wide.
✓✓ 30, 30
Water heaters that use a gas fuel source may not be located in a
room with _____ machinery.
✓✓ air-handling
Chimney Cap
✓✓ mounted above the crown, preventing water, birds, small
animals, and debris from getting inside the chimney while
allowing smoke and gas to escape.
Chimney Crown
, ACCURACY IS GUARANTEED
✓✓ the top level of the chimney, with a sloped surface directing
much of the water away from the chimney
Spark arrestor
✓✓ mesh covering that stops sparks and embers from leaving
the chimney.
Irrigation systems conserve water by the use ___ ____ or ___
___ sensors (SMS).
✓✓ rain sensors, soil moisture
What 2 components are in a zone for a sprinkler system?
✓✓ valve, sprinkler head
What is a backflow preventor?
✓✓ 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
What are 2 possible locations for the irrigation system's shut-
off valve?
✓✓ below backflow preventor or underground, in line with
water supply
Four types of well pumps:
