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Journeyman Electrical Exam Questions and Answers, Exams of Electrical and Electronics Engineering

Liberty University (LU)Electrical and Electronics Engineering

A collection of questions and answers related to journeyman electrical exams. It covers various topics such as electromagnetism, light conversion, dc motors, resistance testing, battery cells, capacitors, electrical switches, electrical shock, ac motors, and more. Useful for students preparing for journeyman electrical exams.

Typology: Exams

2024/2025

Available from 02/18/2025

Papersbylynn
Papersbylynn 🇺🇸

561 documents

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Journeyman Electrical Closed Book
Exam #1100% Correct!!.
An advantage of an electromagnent over a permanent magnent is that ____. - ANSWERAn
electromagnent can be switched on and off.
An excellent diffuser surface is one that ____. - ANSWERScatters light uniformly in all directions.
Light is converted into electricity ____. - ANSWERIn a photovoltaic cell.
The rotating part of a DC motor is known as ____. - ANSWERArmature.
A device used to pull wires through a conduit is called ____. - ANSWERFish tape.
In making a resistance test, remember that the resistance of a short circuit is ____. -
ANSWERApproximately zero.
To increase current capacity, battery cells are connected in ____. - ANSWERParallel.
The hot resistance of an incandescent lamp is approximately ____ times it's cold resistance. -
ANSWERTen.
The proper way of measuring an unknown voltage with a multi-tester is to ____. - ANSWERStart
measuring at the highest range.
A capacitor stores ____. - ANSWERA charge.
____ has the lowest electrical strength. - ANSWERPaper.
A form of air switch in which the moving element is a hinged blade wedge between stationary
contact blades when closed is a ____ switch. - ANSWERKnife.
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Journeyman Electrical Closed Book

Exam #1100% Correct!!.

An advantage of an electromagnent over a permanent magnent is that ____. - ANSWERAn electromagnent can be switched on and off. An excellent diffuser surface is one that ____. - ANSWERScatters light uniformly in all directions. Light is converted into electricity ____. - ANSWERIn a photovoltaic cell. The rotating part of a DC motor is known as ____. - ANSWERArmature. A device used to pull wires through a conduit is called ____. - ANSWERFish tape. In making a resistance test, remember that the resistance of a short circuit is ____. - ANSWERApproximately zero. To increase current capacity, battery cells are connected in ____. - ANSWERParallel. The hot resistance of an incandescent lamp is approximately ____ times it's cold resistance. - ANSWERTen. The proper way of measuring an unknown voltage with a multi-tester is to ____. - ANSWERStart measuring at the highest range. A capacitor stores ____. - ANSWERA charge. ____ has the lowest electrical strength. - ANSWERPaper. A form of air switch in which the moving element is a hinged blade wedge between stationary contact blades when closed is a ____ switch. - ANSWERKnife.

If a bare live conducted is touched accidentally, the severity of electrical shock is determined primarily by ____. - ANSWERThe contact resistance between the bare wire and the person at the point of contact. The capacitor in a capacitor-start induction-run AC motor is connected in series with the ____ winding. - ANSWERStarting. The ____ is defined as the shortest distance measured between a point on the top surface of any direct buried conductor, cable, conduit and the top surface of finish grade. - ANSWERCover. An ohmmeter consists of a meter movement In series with ____. - ANSWERA battery. Grease is a lubricant that is basically a combination of ____. - ANSWEROil and soap. Then 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 ____. - ANSWEROpen. A three-way switch is equivalent to a ____ switch. - ANSWERSPDT (Single Pole Double Throw) The main reason that electrical appliances are connected in parallel rather than series is ____. - ANSWERIt makes the operation of each appliance independent with each other. A step-up transformer increases ____. - ANSWERVoltage. A circuit with a lagging current means the circuit is ____. - ANSWERInductive. If a conductor has a r distance of 0.2 Ohms and the length is doubled, the resistance becomes ____. - ANSWER0.4 Ohms. The voltage per turn of the primary of a transformer is ____ the voltage per turn of the secondary. - ANSWERThe same as. An open resistor when checked with an ohmmeter reads ____. - ANSWERInfinite.

An ____ is a material with atoms in which the electrons tend to stay in their orbits. - ANSWERInsulator. Hysteresis losses ____. - ANSWERAre caused by high frequency alternating current in a coil with an iron core. In magnetic and electric circuit analogy, magnetic flux is the analog of ____. - ANSWERCurrent. A device that rev roses the magnetic field polarity to keep a DC motor rotating is a ____. - ANSWERCommutator The resistance of a wire is directly proportional to the ____ and inversely proportional to the cross- sectional area. - ANSWERLength. The energy in a battery cell depends mainly on ____. - ANSWERIts physical size. Transformer cores are built up from laminations rather than from solid metal so that ____. - ANSWEREddy current loss is reduced. An instrument used to check the motor shaft alignment is called a ____. - ANSWERDial indicator. In AC currents, the ratio of kw/kva represents the ____ factor. - ANSWERPower. Capacitance increases with ____. - ANSWERLarger plate area and smaller distance between plates. A tool used by a lineman to remove insulation from large cables is called ____. - ANSWERElectrician's knife. The condition of a liquid electrolyte in a better is measured in terms of its ____. - ANSWERSpecific gravity. In a parallel circuit, the total resistance is ____. - ANSWERSmaller than the smallest resistance in the combination.