Journeyman Electrician Exam Questions With Correct Answers

An electromagnet can be switched on and off - Answer And advantage of an electromagnet 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 electricity Armature - Answer The rotating part of a DC motor is known as Fish tape - Answer A device used to pull wires through a conduit is called Approximately zero - Answer In making a resistance test, remember that the resistance of a short circuit is Parallel - Answer To increase current capacity, battery cells are connected in 10 - Answer The hot resistance of an incandescent lamp is approximately how many times it's cold resistance Start measuring at the highest range - Answer The proper way of measuring and unknown voltage with a multi-tester is to A charge - Answer A capacitor stores what? Paper - Answer What has the lowest dielectric strength Knife - 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 switch The 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 shock is determined primarily by The same as - Answer The voltage per turn of the primary of a transformer is ________the voltage 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 what point 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 connected in series with what winding? Cover - Answer 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 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 the resistance 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 reason that electrical appliances are connected in parallel rather than series is? Voltage - Answer A step up transformer increases what? Inductive - Answer A circuit with a lagging current means the circuit is what? 0.4 ohms - Answer If a conductor has a resistance of 0.2 ohms and the link is doubled, the resistance becomes what? Preventing a short circuit between conducting wires - Answer Insulating materials have the function of Voltage source and a conductor - Answer For current to flow the very basic circuit requirements are Pendant - Answer A device or equipment which is suspended from overhead either by means of a flexible cord carrying current, or otherwise is a? The highest resistance has the highest voltage - Answer In a series circuit with unequal resistances Recording - Answer The kilowatt hour meter can be classified as what kind of instrument? Eddy current loss is reduced - Answer Transformer cores are built up from laminations rather than from solid metal so that what happens? Dial indicator - Answer An instrument used to check the motor shaft alignment is called what?