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Question: A closed circuit is indicated by an ohmmeter reading of ______. Ans: Zero Question: A meter that operates by sensing the strength of the electromagnetic field around the wire is a(n) ______. Ans: Clamp-on ammeter Question: Current measurement in milliamps are typically read using a(n) _____. Ans: VOM Question: An expected resistance of 1,000,000 ohms would be measured using a ______. Ans: Megohmmete

Question: Which of the following is true regarding a parallel circuit? Ans: It has more than one path for current to flow. Question: Which of the following is true regarding a series-parallel circuit? Ans: If a circuit is reduced to an equivalent series circuit, the total resistance is found by adding the loads. Question: Two branches of a circuit (R1 and R2) across a 120V power line draw a total line current of 30A. Branch R1 takes 15A. What is the current I2 in branch R2? Ans: 15A ...

Question: Amperes (A) Ans: The basic unit of measurement for electrical current, represented by the letter A Question: Atoms Ans: The smallest particles to which an element may be divided and still retain the properties of the element. Question: Battery Ans: A DC voltage source consisting of two or more cells that convert chemical energy to electrical energy Question: Charge Ans: A quantity of electricity that is either positive or negative. Question: Circuit Ans: A complete path ...

Question: for safety, assume that any facility constructed before 1980 has? Ans: asbestos Question: with of the following is the threshold at which a power source is considered high voltage in the context of safety? Ans: over 600V- 600Volts Question: insulated gloves must be inspected by the user? Ans: always and field checked Question: the normal beating of a heart can be upset by an electrical current as small as? Ans: 75mA Question: which factor determins the outcome of an electri...

Question: Wire sizes of No._ or larger are shown only as stranded. Ans: No.6 Question: The purpose of stranding is to increase ________. Ans: The Flexibility of the wire Question: A circular mil is a circle that has a diameter of ______. Ans: 1 mil Question: A mil is ____. Ans: 0.001 inch Question: Aluminum conductors have a _______. Ans: Higher resistance SERIES Question: The conductivity of aluminum is approximately ______ that of copper. Ans: 2/3 Question: The grounding conduc...

Question: All of the following groups are usually represented on the CodeMaking Panels, except __________. Ans: Government lobbyists Question: Mandatory and permissive rules are defined in _______. Ans: NEC Article 90 Question: The general design and installation of electrical systems is covered in _____. Ans: NEC Chapters 1,2,3, and 4 Question: Devices such as radios, televisions, and telephones are covered in _______. Ans: NEC Chapter

Question: The purpose of stranding is to Ans: Increase the flexibility of the wire. Question: Two-conductor cable Ans: One white or gray wire(neutral), one black(hot), and a grounding wire(usually bare). Question: The grounding conductor may be Ans: bare, green, or green with yellow stripe Question: The various types of conductors are concerned in Ans: NEC article 310 Question: The ampacities of conductors are given in Ans: NEC Tables 310.15(B)(16) through (B)(21

Question: Dead load Ans: The weight of permanent, stationary construction and equipment included in a building Question: Dome pan Ans: Metal or fiberglass concrete form used for two-way joist systems Question: End joist Ans: The first and last joists in a floor system; they run parallel to the common joists Question: Fire stop Ans: An approved material used to fill air passages in a frame to retard the spread of fire. Question: Floor truss Ans: An engineered assembly that is used ...

Question: Contour lines Ans: Imaginary lines on a site plan that connect points of the same elevation. Contour lines never cross each other. Question: Easement Ans: A legal right-of-way provision on another person's property (for example, the right of a neighbor to build a road or a public utility to install water and gas lines on the property). A property owner cannot build on an area where an easement has been identified Question: Elevation view Ans: A drawing providing a view ...

Question: Board foot Ans: Lumber quantity measure equivalent to a piece of lumber that is 1" thick, 12" wide, and 1' long. Question: Butt joint Ans: The joint formed when one square-cut edge of a piece of material is placed against another material. Question: Cantilever Ans: A beam, truss, or slab (floor) that extends past the last point of support. Question: Combustible Ans: Capable of easily igniting and rapidly burning; used to describe a fuel with a flash point at or ab...