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Journeyman Electrician Exam Questions With
Answers @ 2024
An electromagnet can be switched on and off - Answer And advantage of anelectromagnet over a permanent magnet is Scatters light uniformly in all directions - Answer An excellent diffuser surface is one that In a photovoltaic cell - Answer Light is converted into electricityArmature - Answer The rotating part of a DC motor is known as Fish tape - Answer A device used to pull wires through a conduit is calledApproximately zero - Answer In making a resistance test, remember that the resistance of a short circuit isParallel - Answer To increase current capacity, battery cells are connected in 10 - Answer The hot resistance of an incandescent lamp is approximately how manytimes it's cold resistance Start measuring at the highest range - Answer The proper way of measuring andunknown voltage with a multi-tester is to A charge - Answer A capacitor stores what? Paper - Answer What has the lowest dielectric strengthKnife - Answer A form of air switch in which the moving element is a hinged blade wedge between stationary contact blades when closed is a what switchThe contact resistance between the bare wire in the person at the point of contact - Answer If a bare live conductor is touched accidentally, the severity of the electric shockis determined primarily by The same as - Answer The voltage per turn of the primary of a transformer is ________thevoltage per turn of the secondary
Infinite - Answer And open resister when checked with an ohmmeter reads
Lesser - Answer The larger the diameter of a wire, the _____is it's resistance? Above - Answer Service heads and goosenecks in service entrance cable shall be whatpoint of attachment of the service drops to the building?
Moisture resistant and thermoplastic - Answer Type TW conductor is what type? Low permeability - Answer Steel is hard to magnetize because of its Commutator - Answer A repulsion motor is equipped with a increase - Answer When the temperature of a copper wire is raised, the resistance will Starting - Answer The capacitor in a capacitor-start induction-run AC motor is connectedin series with what winding?
Cover - Answer Defined as the shortest distance measured between a point on the topsurface of any direct buried conductor, cable, conduit and a top surface of finish grade
A battery - Answer An ohmmeter consists of a meter movement in series with what? Oil and soap - Answer Greece is a lubricant that is basically a combination of what? Open - Answer The continuity of a coil of winding may be determined by measuring theresistance of the coil. If the resistance measured is infinite, the coil winding is what?
SPDT - Answer A three-way switch is equivalent to what kind of switch? It makes the operation of each appliance independent with each other - Answer The main
Power - Answer In AC circuits, the ratio of KW/kVA represents what factor? Larger plate area and smaller distance between plates - Answer Capacitance increaseswith?
Electricians knife - Answer A tool used by a lineman to remove insulation from a largecable is called?
Specific gravity - Answer The condition of a liquid electrolyte in a battery is measured interms of its what?
Smaller than the smallest resistance in the combination - Answer In a parallel circuit, thetotal resistance is?
Generator - Answer What is A machine used to transform mechanical energy intoelectrical energy?
Insulator - Answer What is a material with atoms in which the electrons tend to stay intheir orbits?
high frequency alternating current in a coil with an iron core - Answer Hysteresis lossesare caused by?
Current - Answer In magnetic and electric circuit analogy, magnetic flux is the analog ofwhat?
Commutator - Answer A device that reverses the magnetic field polarity to keep a DCmotor rotating
Length - Answer The resistance of a wire is directly proportional to the what andinversely proportional to the cross-sectional area?
It's physical size - Answer The energy in a battery cell depends mainly on what? Preevent the connection from loosening under vibration - Answer Locknuts aresometimes used in making electrical connections on studs. In these cases the purpose of the locknut is to what Use a hacksaw and Ream the ends - Answer To cut rigid conduit you should do this A volt meter - Answer In the course of normal operation the instrument which will be atleast effective in indicating that a generator may overheat because it is overloaded, is
Two gang switch - Answer Two switches in one box under one face plate is called what? A "LB" or "T" or similar fitting - Answer A conduit body is this A single unit, providing complete and independent living facilities for one or morepersons, including permanent provisions for living, sleeping, cooking, and sanitation - Answer A dwelling unit is A wall, a fence, or housing or case - Answer Enclosed means, surrounded by what whichwill prevent persons from accidentally contacting energized parts
Copper - Answer Where the conductor material is not specified in the code, theconductors are assumed to be what?
Voltage drop - Answer The voltage lost across a portion of a circuit is called the Current - Answer In a series circuit this is common
A current transformer - Answer To increase the range of an AC Ammeter what is mostcommonly used?
Short-circuited - Answer Give a test lamp lights when placed in series with a condenserand a suitable source of DC, it is a good indication that the condenser is
AC - Answer To transmit power economically over considerable distances, it is necessarythat the voltage beehive. High voltages are readily obtainable with what kind of currents?
