Biology > EXAM > NHIE: Book 1 & 2(Overview of exam content)2022 (All)

NHIE: Book 1 & 2(Overview of exam content)2022

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What monitors the pilot flame in a gas water heater? A. A thermometer B. A thermocouple C. A thermolock D. A pressure gauge B. A thermocouple What are the 3 prohibited traps? A. P tra... p, 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 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 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 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. 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 C. Wood, Masonry, Concrete CMU stands for ____________. A. Concrete Masonry Unit B. Cement Masonry Unit C. Cinder Block Masonry Unit D. Compressed Masonry Unit A. Concrete Masonry Unit CMUs in taller retaining walls should be grouted and reinforced with _______. A. Steel B. Mortar C. Wood D. Brick A. Steel Retaining walls should have _______ on the outside to secure the wall. A. beams B. shoring (vertical posts) C. pillars D. columns 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 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 B. 6 inches Spalling and efflorescence is usually an indication of _______________. A. An earthquake B. Foundation damage C. Settlement D. Water management problems D. Water management problems [Show More]

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