Swelect Energy Systems Electrical Engineer Interview Questions and Answers

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71.72% in electrical engineering diploma

Q1. Types ho single phase motor
Ans. 
Types of single phase motors include split-phase, capacitor start, shaded pole, and permanent split capacitor motors.
• Split-phase motor: commonly used in household appliances like fans and blowers

• Capacitor start motor: used in high starting torque applications like air compressors

• Shaded pole motor: used in small appliances like refrigerators and fans

• Permanent split capacitor motor: used in HVAC systems and pumps
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Q2. Types of transfermar
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Transfermars are devices used to transfer electrical power or signals from one circuit to another.
• Types include transformers, capacitors, inductors, and transmission lines

• Transformers transfer electrical power between circuits through electromagnetic induction

• Capacitors store and release electrical energy

• Inductors store energy in a magnetic field

• Transmission lines transfer electrical signals over long distances
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Q1. Electrical engineering
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Q2. Electrical motor
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Q3. Electrical equipment
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Q1. Electrical maintenance
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Q2. Electrical motor
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Q1. What is 3-phase 4 wair system
Ans. 
A 3-phase 4 wire system is a type of electrical system commonly used for power distribution.
• Consists of three conductors carrying alternating current at the same frequency, with a fourth neutral conductor

• Provides a more balanced and efficient power distribution compared to single-phase systems

• Commonly used in industrial and commercial applications for higher power requirements

• Example: Used in large factories, office bu
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Q2. Which of the following is a characteristic of digital signal
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A characteristic of digital signal is that it is discrete and represented by binary numbers.
• Digital signals are represented by discrete values

• Digital signals are represented by binary numbers (0s and 1s)

• Digital signals are less susceptible to noise compared to analog signals
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Q3. An electrical signal can be represented in either Thevenin form or Norton From. However, Norton representation is preferred when
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Norton representation is preferred when the load impedance is known and fixed.
• Norton representation is preferred when the load impedance is known and fixed, as it simplifies calculations.

• Thevenin representation is preferred when the load impedance is unknown or variable.

• Norton equivalent circuits are easier to analyze in terms of current flow and power calculations.

• Thevenin equivalent circuits are easier to analyze in
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Diploma in electrical engineering

Q1. Basic questions
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Q2. Previous employer related
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Q1. Technical questions
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Q2. Machine related
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Over all plant related

Q1. Man power handle and previous employer related
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Q1. Questions about high voltage and high current components.
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Q2. Questions on different topologies used in power supplies
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