Social Sciences > QUESTIONS & ANSWERS > NOCTI Electrical Questions and Answers Already Passed (All)
NOCTI Electrical Questions and Answers Already Passed In general a beginning tradesperson with little or no experience in the electrical field is known as a/an ✔✔apprentice The proper angle fo... r setting up a ladder is to place its base a/an___________ of the working length of the ladder from the wall or other vertical surface. ✔✔quarter A __________ fire extinguisher should be used on an electrical fire. ✔✔Class C A person with a serious electrical injury should be moved ✔✔only if they are in immediate danger When measuring an electrical circuit, current is measured in ✔✔amps When referring to NM-B 12/3 wire, the number 12 refers to the ✔✔wire gage The National Electrical Code (NEC) is based on ✔✔NFPA codes According to the NEC, a continuous load is where the maximum current is expected to continue for _______ or more. ✔✔3 hours In residential structures, GFCI is required in ✔✔kitchens The National Electrical Code (NEC) term, "accessible," means that an electrical box can be ✔✔removed without damage to the building If the lighting requirement is 3 volt-amps per square foot and a home is 40 feet by 90 feet, the required volt-amps for lighting would be ✔✔10,800 volt -amps On a blueprint scale of 1/8 inch = 1 foot, a 3 1/2 inch length represents ✔✔28 feet If the voltage source supplies 260 volts and the resistance measure 5 ohms, the current is ✔✔52 amps In an AC circuit, if resistance remains the same and voltage is doubled, then current ✔✔is doubled If the peak value of a given AC waveform is 2 volts, the RMS is ✔✔1.414 volts The frequency of an AC waveform is 40 hertz. What is the period of each cycle? ✔✔25.0 mS The outer most ring of an atom is called the _______ ring ✔✔valance How many watts are dissipated by an electric heater that has unity power factor and draws 7.8 amps on a 240-volt line ✔✔1872 watts Bored holes through wood members must be kept a minimum of ___________ from the nearest edge of the wood member ✔✔1 1/4 inches What color wire can be used a s a hot wire if it is marked with three black stripes on each end? ✔✔white The NEC states that a non-metallic sheathed cable with no cable clamps be secured by staples or straps within _________ from every cabinet, box or fitting. ✔✔8 inches Flexible metal conduit should be supported within ________ from an outlet or junction box. ✔✔12 inches The min amount of wire that must be left in a wokbox is ✔✔6 inches In which direction should solar panels in the United be facing? ✔✔South The transformer winding to which the line is connected is called the ________________ winding ✔✔primary The correct input power of an 87 percent efficient transformer with a power output of 60 voltamps is ✔✔69 volt amps A motor is a dynamo that is used to change ✔✔electrical energy into mechanical energy When calculating the efficiency of an AC motor, one needs to know the power factor, voltage, current and ✔✔horsepower A motor's _____________ determines what proportion of the total electrical power is active power and what proportion is reactive power ✔✔power factor [Show More]
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NOCTI BUNDLED EXAMS QUESTIONS AND ANSWERS WITH VERIFIED SOLUTIONS
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