NHIE Exam Practice Questions and Answers

NHIE Exam Practice Questions and Answers From which component in an split air conditioner does the refrigerant leave as a hot, high pressure gas? - Answer-Compressor The ___________ compresses the refrigerant by packing the molecules tightly together as does a piston in a internal combustion engine which increases pressure and the refrigerant material. - Answer-Compressor The device used to detect the electrical current to the electric heater coil is called - Answer- an ammeter An _________ measures current flow. A closed circuit allows current to flow. An electric heater coil uses electricity and you measure the amount of current flow with an ammeter. - Answer-an ammeter In which location may NMC cable be installed? - Answer-Run through holes in floor joists in a crawlspace. While inspecting a metal framed building, you observe non-metallic sheathed wire installed through standard cut-outs. Your recommendation should be - Answer-plastic grommets should be installed. What is the MINIMUM allowable separation between a masonry chimney and combustible materials? - Answer-2 inches EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 2/8 To measure carbon monoxide, you should use a - Answer-CO detector When installing flexible supply air ducts under a floor joist space, the minimum requirement for the proper strapping sequence is generally - Answer-1½" wide and at 4' spacing. What is the cause of the condensation on the vent pipe? - Answer-Vent pipe is oversized Permeability is the property of a material that allows the passage of: - Answer-Water vapor What is the MOST likely indication that an electric water heater lower element has failed? - Answer-Some hot water, then warm water at all faucets 1. Installed lighting above an existing outdoor pool shall have a height clearance above the water level of a minimum of - Answer-12 feet 1. Historically, spaced or skip sheathing has been used for roof decking because it - Answer- allows for drying of roof material. 1. Where might you expect to find safety glass in a window? - Answer-Less than 18 inches above the floor 1. A home inspection agreement is most likely to be interpreted using which law? - Answer- State 1. In a subpanel, you are required to - Answer-isolate the neutral bus and conductors from contacting the panel enclosure 1. A GFCI functions by sensing - Answer-a current imbalance EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 3/8 1. Reversed polarity in a receptacle means - Answer-the hot and neutral conductors are reversed. 1. Relative humidity is expressed as - Answer-A percentage 1. A common place for steel enamel sinks to rust out and leak is the - Answer-Overflow channel 1. The normal maximum rise of a stair is - Answer-7 ¾ inches 1. A ½ inch wide gap exists between the drywall and ceiling. The seller reports that this gap opens in the winter and closes in the summer. What is the most likely cause of this condition? - Answer-Truss uplift 1. Floor joist bridging: - Answer-Provides lateral support 1. The most common contributing factor to masonry retaining wall movement/failure is? - Answer-Hydrostatic pressure 1. Which of the following is true with regard to powder post beetles? - Answer-They create exit holes which are approximately 1/16 inch in diameter 1. In a split-system AC with a forced air gas furnace, what is the likely cause of the rust noted? - Answer-Air conditioning condensate tray leakage. 1. In a forced air system with a central air conditioning system installed, humidity is reduced by - Answer-condensation at the evaporator coil