Electrician Assistant

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“Electrician Assistant based Frequently Asked Questions by expert members with experience as Electrician Assistant. These questions and answers will help you strengthen your technical skills, prepare for the new job test and quickly revise the concepts”



39 Electrician Assistant Questions And Answers

1⟩ Why are you interested in the electrician trade?

If you are new to the electrical trade or are applying for an apprenticeship, you will probably be asked this question. Employers ask this question because they want to hear your motivations and goals so that can be sure that you really have an interest in the field.

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2⟩ Explain State Maximum power transfer theorem?

The Maximum power transfer theorem explains about the load that a resistance will extract from the network. This includes the maximum power from the network and in this case the load resistance is being is equal to the resistance of the network and it also allows the resistance to be equal to the resistance of the network. This resistance can be viewed by the output terminals and the energy sources can be removed by leaving the internal resistance behind.

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3⟩ Why back emf used for a dc motor? highlight its significance?

The induced emf developed when the rotating conductors of the armature between the poles of magnet, in a DC motor, cut the magnetic flux, opposes the current flowing through the conductor, when the armature rotates, is called back emf. Its value depends upon the speed of rotation of the armature conductors. In starting, the value of back emf is zero.

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5⟩ Do you specialize in any particular areas of electrician work?

Along with qualifications, an employers will want to know if you have any particular specializations. For example, some electricians specialize in electrical systems and controls, wiring, or electro-mechanical repairs. Others may have particular expertise in reading blueprints or general troubleshooting.

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6⟩ Why should we hire you as Electrician Assistant?

You'll find this question near the end of the interview. If you feel you have something special to offer that didn't get mentioned or prompted in the interview then say it here. Avoid using cliched buzzwords like "hard-working" and "fast learner" and "gets along well with others"; the employer wants to hear something different and unique, so think about this question the most. Use it as your opportunity to really sell yourself to the hiring manager.

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7⟩ WHAT EXPERIENCE DO YOU HAVE FOR ASSISTANT ELECTRICIAN POSITION?

Speak about specifics that relate to the position you are applying for. If you do not have specific experience, get as close as you can.

If you are being asked this question from your employer then you can explain your experience. Tell the employer what responsibilities you were performing during your job. You can tell what programs you developed and what modules you worked on. What were your achievements regarding different programs.

I have been working with computers since 2001. I also have a degree in network support/computer repair. I have built my last 3 computers, have work with Dell as an employee. So I have around 15 years experience working with computers.

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8⟩ Tell Me WHAT SHOULD BE THE QUALITIES OF ASSISTANT ELECTRICIAN?

In order to score in this interview question, a efficient way is to give a list of qualities and skills that is suitable with an admin assistant position. You can start with "Firstly, an admin must have effective methods, secondly, give job the priority, thirdly, create a good team work" etc. Remember that the duty of an admin assistant is to communicate with several of people, so excellent communication skills and a good personality are required.

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9⟩ State the difference between generator and alternator?

Generator and alternator are two devices, which converts mechanical energy into electrical energy. Both have the same principle of electromagnetic induction, the only difference is that their construction. Generator persists stationary magnetic field and rotating conductor which rolls on the armature with slip rings and brushes riding against each other, hence it converts the induced emf into dc current for external load whereas an alternator has a stationary armature and rotating magnetic field for high voltages but for low voltage output rotating armature and stationary magnetic field is used.

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10⟩ Name some types of motors used in vacuum cleaners, phonographic appliances, vending machines, refrigerators, rolling mills, lathes, power factor improvement and cranes?

Following motors are used: -

• Vacuum cleaners- Universal motor.

• Phonographic appliances - Hysteresis motor.

• Vending machines - Shaded pole motor.

• Refrigerators - Capacitor split phase motors.

• Rolling mills - Cumulative motors.

• Lathes - DC shunt motors.

• Power factor improvement - Synchronous motors

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12⟩ How does Zener phenomenon differ from Avalanche breakdown?

The phenomenon when the depletion region expands and the potential barrier increases leading to a very high electric field across the junction, due to which suddenly the reverse current increases under a very high reverse voltage is called Zener effect. Zener-breakdown or Avalanche breakdown may occur independently or both of these may occur simultaneously. Diode junctions that breakdown below 5v are caused by Zener Effect. Junctions that experience breakdown above 5v are caused by avalanche-effect. The Zener-breakdown occurs in heavily doped junctions, which produce narrow depletion layers. The avalanche breakdown occurs in lightly doped junctions, which produce wide depletion layers.

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13⟩ Explain the forward resistance, static resistance and dynamic resistance of a pn junction diode?

• Forward Resistance: Resistance offered in a diode circuit, when it is forward biased, is called forward-resistance.

• DC or Static Resistance: DC resistance can be explained as the ratio of the dc-voltage across the diode to the direct current flowing through it.

• AC or Dynamic Resistance: It can be defined as the reciprocal of the slope of the forward characteristic of the diode. It is the resistance offered by a diode to the changing forward current.

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14⟩ Why AC systems are preferred over DC systems?

Due to following reasons, AC systems are preferred over DC systems:

a. It is easy to maintain and change the voltage of AC electricity for transmission and distribution.

b. Plant cost for AC transmission (circuit breakers, transformers etc) is much lower than the equivalent DC transmission

c. From power stations, AC is produced so it is better to use AC then DC instead of converting it.

d. When a large fault occurs in a network, it is easier to interrupt in an AC system, as the sine wave current will naturally tend to zero at some point making the current easier to interrupt.

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15⟩ What is slip in an induction motor?

Slip can be defined as the difference between the flux speed (Ns) and the rotor speed (N). Speed of the rotor of an induction motor is always less than its synchronous speed. It is usually expressed as a percentage of synchronous speed (Ns) and represented by the symbol 'S'.

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16⟩ Telephonic Electrician assistant interview questions

☛ Can you describe a time when your work was criticized?

☛ Tell me about an important issue you encountered recently.

☛ What are the qualities of a good leader?

☛ How well did your college experience prepare you for this job?

☛ What are three positive character traits you don't have?

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17⟩ Explain thin film resistors and wire-wound resistors?

a. Thin film resistors- It is constructed as a thin film of resistive material is deposited on an insulating substrate. Desired results are obtained by either trimming the layer thickness or by cutting helical grooves of suitable pitch along its length. During this process, the value of the resistance is monitored closely and cutting of grooves is stopped as soon as the desired value of resistance is obtained.

b. Wire wound resistors - length of wire wound around an insulating cylindrical core are known as wire wound resistors. These wires are made of materials such as Constantan and Manganin because of their high resistivity, and low temperature coefficients. The complete wire wound resistor is coated with an insulating material such as baked enamel

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18⟩ Communication skills Based Electrician assistant interview questions

☛ What have you done to support diversity in your unit?

☛ What support training would you require to be able to do this job?

☛ What type of work environment do you prefer?

☛ What do you think this position involves.

☛ What irritates you about other people?

Answer as sincerely as possible. Don't lie as if you are discovered, it shall be very bad situation.

Answer Electrician assistant interview questions pertaining to job qualifications and skill sets honestly. Make sure your eye contact with the interviewers during the interview.

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19⟩ Situational Electrician assistant interview questions

☛ How do you evaluate your ability to handle conflict?

☛ What attracted you to this company?

☛ What have you been doing since your last job?

☛ What parts of your education do you see as relevant to this position?

☛ What is the difference between a good position and an excellent one?

Never interrupt - even where the question is obvious, wait for the interviewer to finish before your reply.

Make sure the experience is relevant. Be sure to discuss a very specific example.

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20⟩ Video Based Electrician assistant interview questions

☛ Situation in which you had to arrive at a compromise.

☛ What were the responsibilities of your last position?

☛ What negative thing would your last boss say about you?

☛ Where do you see yourself in five years time?

☛ What would you say are your strong points?

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