Electrical Theory Questions And Answers PdfBy Gill M. In and pdf 20.01.2021 at 10:18 7 min read
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The main objective of this site is to provide one stop for the electricians who are preparing for electrician licensing examinations and any other electrician exam conducted by the state authorities. This site provides a platform to test your knowledge by practicing some electrician practice tests.
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Electrical Engineering Objective Questions and Answers
Take a free Electrician Practice Test to see what kind of questions are on actual electrician license exams. Most states require an electrician to pass an exam to receive a journeyman or master electrician license.
Check with your local code official to determine which code applies to your location. Grade Answers as You Go. Part III of Article Conductors for General Wiring, covers the general installation requirements for conductors rated up to and including volts. Section Using the values shown in Table Also, Section Again, multiply the conductor ampacities as shown in the ampacity tables by the percentage values given in Table Incorrect answer.
Please choose another answer. Part VI of Article explains the wiring methods and installation requirements for equipment grounding and equipment grounding conductors.
Article provides the general requirements for branch circuits. There are no exceptions to this rule, the receptacles must be provided with GFCI protection for the user of appliances or other equipment regardless of where the receptacle is located in the garage. The uses and ampacity ratings of conductors for general wiring are found in Article Study Online Instantly. Article covers the rating and installation of receptacles.
Note, the service-entrance conductors for dwellings, under this condition, is reduced in size in relation service-entrance conductors for commercial and industrial occupancies due to the dwelling unit's diversified load.
Article governs the installation and use of all outlet and device boxes. Table Therefore, the box is permitted to have only four 4 size 12 AWG conductors. Part III of Article provides the general requirements for the required volt, single-phase and ampere receptacle outlets in a dwelling unit. Additional required receptacle outlets are permitted to be located as determined by the installer, home owner, or builder. This rule eliminates the need for extension cords.
This rule is in place to restrict voltage-drop and prevent nuisance tripping of the overcurrent protection device. The rules for service equipment and service conductors and their installation requirements are found in Article This mandate was established because of the need for first responders and utility personnel to have a way to safely remove power from the house in an emergency. Part VI of Article covers the wiring methods and installation requirements for equipment grounding and equipment grounding conductors.
However, Article covers motors, motor conductors, motor protection, motor controllers, motor control circuits, and motor control centers. Overloads are not a fault condition, overloads happen when there is excessive current in the circuit. An overload is where the current is more than the equipment ampere rating and the overload may result in overheating and damaging equipment. Overload protection does not protect against short-circuits or ground-fault currents.
Part II of Article addresses the general requirements for system grounding and bonding of alternating-current systems to be grounded. The size of the main bonding jumper is determined in accordance with Table The provisions of Article apply to the installation and wiring methods of storable or permanently installed swimming pools, hot tubs and spas, and to their metallic auxiliary equipment, such as pumps and similar equipment.
Article applies to air-conditioning and refrigeration equipment and to branch circuits and controllers for the equipment. The rules regarding the use and installation of rigid metal conduit RMC are found in Article As per Section Article contains installation and other requirements for generators.
Apply the single-phase current formula to solve this problem. Article covers electrical equipment, wiring methods and conductors installed in office furnishings. Although multiwire branch circuits are not permitted in cord-connected office furnishings, they may be supplied by one phase of a multiwire branch circuit.
Part VI of Article explains the wiring methods an installation requirements for equipment grounding and equipment grounding conductors.
Part II of Article applies to the rules governing the installation and wiring methods of permanently installed swimming pools. Prev Next Finish. Quality starts with who wrote the material. Our practice exam writer s. Ray is a certified instructor of electrical trades. His classes are presented in a simplified, easy-to-understand format for electricians.
Bookmark Page. Journeyman Electrician. I only. II only. GFCI protection. AFCI protection. LCDI protection. Given: No adjustment or correction factors are required. The Code mandates a clearly labeled emergency disconnect is to be provided at each service for one- and two-family dwelling units.
Master Electrician. For a 3-phase, continuous duty, induction-type motor, Table Within the service disconnect enclosure. At the termination of the grounding electrode conductor. Within the meter enclosure. Either B or C. For freestanding type, cord-and plug connected office furnishings, which of the following is NOT permitted?
A multiwire branch circuit used to supply receptacle outlets and luminaires in the freestanding office furnishing. Where the freestanding office furnishing contains ten 10 ampere, volt duplex receptacles. A flexible power supply cord supplying the freestanding office furnishing that is extra-hard usage, size 12 AWG. The receptacle that supplies the freestanding office furnishing is located 12 inches from the freestanding-type office furnishing.
Basic Electronics Questions And Answers Pdf
Take a free Electrician Practice Test to see what kind of questions are on actual electrician license exams. Most states require an electrician to pass an exam to receive a journeyman or master electrician license. Check with your local code official to determine which code applies to your location. Grade Answers as You Go. Part III of Article Conductors for General Wiring, covers the general installation requirements for conductors rated up to and including volts.
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Both generator and alternator work on the same principle they convert mechanical energy into electrical energy. An RLC circuit carries an electrical circuit consisting of a resistor R and inductor L and a capacitor C , connected in parallel or series. This circuit is called a second order circuit as any voltage or current in the circuit can be described by a second order differential equation. Wire is sized by American Wire Gauge system. Your installation of conductors will depend on a few factors like gauge of the wire, wire capacity, etc.
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