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JOURNEYMAN ELECTRICIAN EXAM
An electromagnet can be switched on and off - Precise Answer ✔✔And advantage of an electromagnet over a permanent magnet is Scatters light uniformly in all directions - Precise Answer ✔✔An excellent diffuser surface is one that In a photovoltaic cell - Precise Answer ✔✔Light is converted into electricity Armature - Precise Answer ✔✔The rotating part of a DC motor is known as Fish tape - Precise Answer ✔✔A device used to pull wires through a conduit is called Approximately zero - Precise Answer ✔✔In making a resistance test, remember that the resistance of a short circuit is Parallel - Precise Answer ✔✔To increase current capacity, battery cells are connected in
10 - Precise Answer ✔✔The hot resistance of an incandescent lamp is approximately how many times it's cold resistance Start measuring at the highest range - Precise Answer ✔✔The proper way of measuring and unknown voltage with a multi-tester is to A charge - Precise Answer ✔✔A capacitor stores what? Paper - Precise Answer ✔✔What has the lowest dielectric strength Knife - Precise 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 - Precise Answer ✔✔If a bare live conductor is touched accidentally, the severity of the electric shock is determined primarily by The same as - Precise Answer ✔✔The voltage per turn of the primary of a transformer is ________the voltage per turn of the secondary Infinite - Precise Answer ✔✔And open resister when checked with an ohmmeter reads Lesser - Precise Answer ✔✔The larger the diameter of a wire, the _____is it's resistance?
Oil and soap - Precise Answer ✔✔Greece is a lubricant that is basically a combination of what? Open - Precise 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 - Precise Answer ✔✔A three-way switch is equivalent to what kind of switch? It makes the operation of each appliance independent with each other - Precise Answer ✔✔The main reason that electrical appliances are connected in parallel rather than series is? Voltage - Precise Answer ✔✔A step up transformer increases what? Inductive - Precise Answer ✔✔A circuit with a lagging current means the circuit is what? 0.4 ohms - Precise Answer ✔✔If a conductor has a resistance of 0. ohms and the link is doubled, the resistance becomes what? Preventing a short circuit between conducting wires - Precise Answer ✔✔Insulating materials have the function of
Voltage source and a conductor - Precise Answer ✔✔For current to flow the very basic circuit requirements are Pendant - Precise 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 - Precise Answer ✔✔In a series circuit with unequal resistances Recording - Precise Answer ✔✔The kilowatt hour meter can be classified as what kind of instrument? Eddy current loss is reduced - Precise Answer ✔✔Transformer cores are built up from laminations rather than from solid metal so that what happens? Dial indicator - Precise Answer ✔✔An instrument used to check the motor shaft alignment is called what? Power - Precise Answer ✔✔In AC circuits, the ratio of KW/kVA represents what factor? Larger plate area and smaller distance between plates - Precise Answer ✔✔Capacitance increases with?
Length - Precise Answer ✔✔The resistance of a wire is directly proportional to the what and inversely proportional to the cross-sectional area? It's physical size - Precise Answer ✔✔The energy in a battery cell depends mainly on what? Preevent the connection from loosening under vibration - Precise Answer ✔✔Locknuts are sometimes 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 - Precise Answer ✔✔To cut rigid conduit you should do this A volt meter - Precise Answer ✔✔In the course of normal operation the instrument which will be at least effective in indicating that a generator may overheat because it is overloaded, is Two gang switch - Precise Answer ✔✔Two switches in one box under one face plate is called what? A "LB" or "T" or similar fitting - Precise Answer ✔✔A conduit body is this A single unit, providing complete and independent living facilities for one or more persons, including permanent provisions for living,
sleeping, cooking, and sanitation - Precise Answer ✔✔A dwelling unit is A wall, a fence, or housing or case - Precise Answer ✔✔Enclosed means, surrounded by what which will prevent persons from accidentally contacting energized parts Copper - Precise Answer ✔✔Where the conductor material is not specified in the code, the conductors are assumed to be what? Voltage drop - Precise Answer ✔✔The voltage lost across a portion of a circuit is called the Current - Precise Answer ✔✔In a series circuit this is common Direct - Precise Answer ✔✔Battery supply what kind of current Piezoelectricity - Precise Answer ✔✔Electron flow produced by means of applying pressure to a material is called what? Expansion joints - Precise Answer ✔✔Raceways shall be provided with this to compensate for thermal expansion and contraction One-half cycle - Precise Answer ✔✔An alternation is what?
Short-circuited - Precise Answer ✔✔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 AC - Precise Answer ✔✔To transmit power economically over considerable distances, it is necessary that the voltage beehive. High voltages are readily obtainable with what kind of currents?
