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NHIE: Book 1 & 2 Exam Questions and AnNHIE: Book 1 & 2 Exam Questions and Answers (Latest Update 2025)swers (Latest Update 2025)
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NHIE: Book 1 & 2 Exam Questions and Answers (Latest Update 2025)
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NHIE: Book 1 & 2 Exam Questions andAnswers (Latest Update 2025)
What monitors the pilot flame in a gas water heater?
A. A thermometer
B. A thermocouple
C. A thermolock
D. A pressure gauge - Correct Answer ✅B. A thermocouple
What are the 3 prohibited traps?
A. P trap, S trap and Drum Trap
B. Drum Trap, Bell Trap and P Trap
C. S Trap, Drum Trap and Bell Trap
D. S Trap, Bell Trap and P Trap - Correct Answer ✅C. S Trap, Drum Trap and
Bell Trap
What does an Air Admittance Valve do?
A. It detects negative air pressure to allow air into pipes and closes to
prevent sewer gases from entering.
B. It allows air into vents from the attic
C. It detects positive air pressure to allow air into pipes
D. It allows air inside the home when negative pressure from the outside is
detected - Correct Answer ✅A. It detects negative air pressure to allow air
into pipes and closes to prevent sewer gases from entering.
An accessible shutoff valve for each gas appliance should be located where?
A. At the main gas line or within 8 feet from appliance
,NHIE: Book 1 & 2 Exam Questions and
Answers (Latest Update 2025)
B. In the same room as appliance and within 6 feet from appliance
C. On the appliance or within 15 feet from appliance
D. In the same room as appliance and within 12 feet from appliance. -
Correct Answer ✅B. In the same room as appliance and within 6 feet from
appliance
What are the 3 most common kinds of retaining walls made from?
A. Metal, Masonry, Concrete
B. Wood, Metal, PVC
C. Wood, Masonry, Concrete
D. Gravel, Wood, Cement - Correct Answer ✅C. Wood, Masonry, Concrete
CMU stands for ____________.
A. Concrete Masonry Unit
B. Cement Masonry Unit
C. Cinder Block Masonry Unit
D. Compressed Masonry Unit - Correct Answer ✅A. Concrete Masonry Unit
CMUs in taller retaining walls should be grouted and reinforced with _______.
A. Steel
B. Mortar
C. Wood
D. Brick - Correct Answer ✅A. Steel
,NHIE: Book 1 & 2 Exam Questions and
Answers (Latest Update 2025)
Retaining walls should have _______ on the outside to secure the wall.
A. beams
B. shoring (vertical posts)
C. pillars
D. columns - Correct Answer ✅B. shoring (vertical posts)
Retaining walls can be anchored through the soil using _____________.
A. concrete
B. concrete and tie-backs
C. deadman and tie-backs
D. shoring posts - Correct Answer ✅C. deadman, tie-backs
Proper slope away from foundation within the first 10 feet should be how
many inches?
A. 5 inches
B. 6 inches
C. 4 inches
D. 8 inches - Correct Answer ✅B. 6 inches
Spalling and efflorescence is usually an indication of _______________.
A. An earthquake
B. Foundation damage
C. Settlement
, NHIE: Book 1 & 2 Exam Questions and
Answers (Latest Update 2025)
D. Water management problems - Correct Answer ✅D. Water
management problems
What is the crumbling of surface bricks, blocks or concrete called?
A. Spalling
B. Efflorescence
C. Settlement
D. Step Crack - Correct Answer ✅A. Spalling
Plants should be at least_________ from the house.
A. 2 feet
B. 1 foot
C. 3 feet
D. No distance required - Correct Answer ✅B. 1 foot
A door leading to a pool should be _________.
A. only self-closing
B. over 4 feet tall
C. self-closing and self-latching.
D. made of metal - Correct Answer ✅C. self-closing and self-latching.
A pool fence's horizontal member should be at least ________ apart to prevent
climbing.
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