Electrical Interview Questions and Answers Part 1

Q1. What is "pu" in electrical engineering?

Q2. What is the difference between electronic regulator and ordinary electrical rheostat  regulator for fans?

Q3. How tube light circuit is connected and how it works?

Q4. whats is MARX CIRCUIT?

Q5. What are the advantages of speed control using thyristor?

Q6. Why, when birds sit on transmission lines or current wires doesn't get shock?

Q7. what is meant by armature reaction?

Q8. what happen if we give 220 volts dc supply to d bulb r tube light?

Q9. Which motor has high Starting Torque and Staring current DC motor, Induction motor or Synchronous motor?

Q10. Which type of A.C motor is used in the fan (ceiling fan, exhaust fan, padestal fan, bracket fan etc) which are find in the houses ?

Q11. Give two basic speed control scheme of DC shunt motor?

Q12. what is the difference between synchronous generator & asynchronous generator?

Q13. Why syn. generators r used for the production of electricity?

Q14. What is Automatic Voltage regulator(AVR)?

Q15. What is an exciter and how does it work?

 

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