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A practice exam or study guide for a journeyman electrician exam. It contains a series of multiple-choice questions and answers covering various topics related to electrical theory, equipment, and code requirements. The questions cover a wide range of subjects, including resistance, capacitance, transformers, motors, wiring methods, and safety practices. The document seems to be designed to help electricians prepare for the journeyman electrician exam by testing their knowledge and understanding of the key concepts and principles required for the profession.
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Journeyman Electrician Exam CORRECT! 0.4 ohms - answer โ โ If a conductor has a resistance of 0.2 ohms and the link is doubled, the resistance becomes what? 10 - answer โ โ The hot resistance of an incandescent lamp is approximately how many times it's cold resistance A "LB" or "T" or similar fitting - answer โ โ A conduit body is this A battery - answer โ โ An ohmmeter consists of a meter movement in series with what? A charge - answer โ โ A capacitor stores what? A current transformer - answer โ โ To increase the range of an AC Ammeter what is most commonly used? A single unit, providing complete and independent living facilities for one or more persons, including permanent provisions for living, sleeping, cooking, and sanitation - answer โ โ A dwelling unit is
Approximately zero - answer โ โ In making a resistance test, remember that the resistance of a short circuit is Are sure the power is turned off - answer โ โ Never approach a victim of an electrical injury until you Armature - answer โ โ The rotating part of a DC motor is known as Capacitive reactance exceeds the inductive reactance in the circuit - answer โ โ The current will lead the voltage when this happens Chapter 5 - answer โ โ What chapter in the code is mobile homes referred to? Commutator - answer โ โ A device that reverses the magnetic field polarity to keep a DC motor rotating Commutator - answer โ โ A repulsion motor is equipped with a Copper - answer โ โ Where the conductor material is not specified in the code, the conductors are assumed to be what?
Cover - answer โ โ Defined as the shortest distance measured between a point on the top surface of any direct buried conductor, cable, conduit and a top surface of finish grade Current - answer โ โ In a series circuit this is common Current - answer โ โ In magnetic and electric circuit analogy, magnetic flux is the analog of what? Determines if the circuit is alive, determines polarity of DC circuits, and determines if circuit is AC or DC - answer โ โ What is the function of a neon glow tester? Dial indicator - answer โ โ An instrument used to check the motor shaft alignment is called what? Direct - answer โ โ Battery supply what kind of current Eddy current loss is reduced - answer โ โ Transformer cores are built up from laminations rather than from solid metal so that what happens?
Infinite - answer โ โ And open resister when checked with an ohmmeter reads Insulator - answer โ โ What is a material with atoms in which the electrons tend to stay in their orbits? It makes the operation of each appliance independent with each other - answer โ โ The main reason that electrical appliances are connected in parallel rather than series is? It's physical size - answer โ โ The energy in a battery cell depends mainly on what? Knife - answer โ โ A form of air switch in which the moving element is a hinged blade wedge between stationary contact blades when closed is a what switch Larger plate area and smaller distance between plates - answer โ โ Capacitance increases with? Length - answer โ โ The resistance of a wire is directly proportional to the what and inversely proportional to the cross-sectional area?
Lesser - answer โ โ The larger the diameter of a wire, the _____is it's resistance? Longevity - answer โ โ What is not one of the considerations that must be evaluated in judging equipment? Low permeability - answer โ โ Steel is hard to magnetize because of its Moisture resistant and thermoplastic - answer โ โ Type TW conductor is what type? Oil and soap - answer โ โ Greece is a lubricant that is basically a combination of what? One-half cycle - answer โ โ An alternation is what? Open - answer โ โ The continuity of a coil of winding may be determined by measuring the resistance of the coil. If the resistance measured is infinite, the coil winding is what? Paper - answer โ โ What has the lowest dielectric strength
Recording - answer โ โ The kilowatt hour meter can be classified as what kind of instrument? Scatters light uniformly in all directions - answer โ โ An excellent diffuser surface is one that Shall - answer โ โ Mandatory rules of the code are identified by the use of what word Short-circuited - answer โ โ Give a test lamp lights when placed in series with a condenser and a suitable source of DC, it is a good indication that the condenser is Smaller than the smallest resistance in the combination - answer โ โ In a parallel circuit, the total resistance is? SPDT - answer โ โ A three-way switch is equivalent to what kind of switch? Specific gravity - answer โ โ The condition of a liquid electrolyte in a battery is measured in terms of its what?
Start measuring at the highest range - answer โ โ The proper way of measuring and unknown voltage with a multi-tester is to Starting - answer โ โ The capacitor in a capacitor-start induction-run AC motor is connected in series with what winding? The contact resistance between the bare wire in the person at the point of contact - answer โ โ If a bare live conductor is touched accidentally, the severity of the electric shock is determined primarily by The highest resistance has the highest voltage - answer โ โ In a series circuit with unequal resistances The same as - answer โ โ The voltage per turn of the primary of a transformer is ________the voltage per turn of the secondary Two gang switch - answer โ โ Two switches in one box under one face plate is called what? Use a hacksaw and Ream the ends - answer โ โ To cut rigid conduit you should do this