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Electrical Engineering Interview Questions

what is meant by carrier aided trip protection in transmission line

GE,

2612

A 400KVA Transformer has 400Hz frequency.if frequency is changed to 50Hz,then what will be the new KVA rating?

ABC,

1695

Transformer Parallel Operations

2253

Why neutral is not used in three phases dol starter

945

What is the comparison of PILC and XLPE cable

789

What is BusBar integrity test and how it is conducted?

818

How to Calculate Transformer Earthing Electrode Rod Size both Body and neutral Earthing ? Any Standard Formula? Please Suggted

640

How To Convert Apparent Into Real Power Without Knowing Reactive Power?

799

what is there inside an inverter and how it works?

795

what is different between phase and netural

1024

How to calculate multiplication factor in kva example 500kva ans pls ?

755

A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?

885

How the circuit breaker is selected for Induction motor of 100 kW, 415 volt, 0.85 power factor, 0.95 efficiency ?

752

Which capacitor is used in ceiling fans ?

1200

ht side line to earth voltage

JLL,

611

Un-Answered Questions { Electrical Engineering }

What are the various types of rotor used in the alternators?

160

What is nyquist contour?

174

what will happen if i connect 12 volt battery with 24 volt battery charger.

1021

differnce between single acting and double acting solenoid valves

950

Which do you think is the most significant cause of energy loss in a factory?

1332

Where can i get practical knowledge of solar system?

462

How to decide and select the different earthing wire size for the different types of earthing

1369

Can 4pole (3 phase+neautral )RCCB proper functioning in only 3 phase load (no neautral, no Earth) ?

1213

Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

548

How to check the LM324 Ic

7358

How can I known multiplying factor .without multiplying table

828

what is the differences between microprocessor and general purpose computer

1167

Why syn. Generators are used for the production of electricity?

170

how dia of wire and angles are calculated for overhead shielding wire to protect substation equipment from lightening strokes???

1050

how to avoid Saturation in C.T?

1070