Journeyman Electrician Exam Questions And Answers

Journeyman Electrician Exam Questions And Answers An electromagnet can be switched on and off - ANS And advantage of an electromagnet over a permanent magnet is Scatters light uniformly in all directions - ANS An excellent diffuser surface is one that In a photovoltaic cell - ANS Light is converted into electricity Armature - ANS The rotating part of a DC motor is known as Fish tape - ANS A device used to pull wires through a conduit is called Approximately zero - ANS In making a resistance test, remember that the resistance of a short circuit is Parallel - ANS To increase current capacity, battery cells are connected in 10 - ANS The hot resistance of an incandescent lamp is approximately how many times it's cold resistance Start measuring at the highest range - ANS The proper way of measuring and unknown voltage with a multi-tester is to A charge - ANS A capacitor stores what? Paper - ANS What has the lowest dielectric strength Knife - ANS 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 - ANS If a bare live conductor is touched accidentally, the severity of the electric shock is determined primarily by The same as - ANS The voltage per turn of the primary of a transformer is ________the voltage per turn of the secondary Infinite - ANS And open resister when checked with an ohmmeter reads Lesser - ANS The larger the diameter of a wire, the _____is it's resistance? Above - ANS 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 - ANS Type TW conductor is what type? Low permeability - ANS Steel is hard to magnetize because of its Commutator - ANS A repulsion motor is equipped with a increase - ANS When the temperature of a copper wire is raised, the resistance will Starting - ANS The capacitor in a capacitor-start induction-run AC motor is connected in series with what winding? Cover - ANS 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 - ANS An ohmmeter consists of a meter movement in series with what? Oil and soap - ANS Greece is a lubricant that is basically a combination of what? Open - ANS 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 - ANS A three-way switch is equivalent to what kind of switch? It makes the operation of each appliance independent with each other - ANS The main reason that electrical appliances are connected in parallel rather than series is? Voltage - ANS A step up transformer increases what? Inductive - ANS A circuit with a lagging current means the circuit is what? 0.4 ohms - ANS 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 - ANS Insulating materials have the function of Voltage source and a conductor - ANS For current to flow the very basic circuit requirements are Pendant - ANS A device or equipment which is