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BARC Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how to change the load sharing between two synchronized identical alternators when both are running with Diesel engine? assume both are feeding to same feeder?

1 2755

What happen when ct secondary are open circuited? why same thing is not happen in ordinary transformer?

3 6736

difference between over current and over load protection?

5 13226

explain working of differential protection for a transformer?

1 3232

derive DC RMS value for half wave rectifier?

2713

what is droop control?

1626

what do u understand about FACTS? how they are useful?

1535

what is significance of B-H curve? how it differs form ordinary transformers to Amorphous Transformer?

2 22057

explain with diagram how to protect transformers and substations from over current with help of CT's?

1505

how oil in the MOCB was reduced compared with OCB? what are the features of the MOCB?

2347

Why carbon brushes are used in motors?

6 9338

Why induction motor is widely used in industry

2263

The advantages of Magnetic flux leakage technique over Ultrasonic technique for non distructive testing of material.

1492

What are the probable causes for failure of heating elements

4 19333

Meaning of ingrace protection for motor.for ex IPXY

2350

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