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DEWA Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is the minimum insulation value required for a cable between phase to phase and phase to earth of 380 Vac 50Hz circuit, having load arround 800 amps.

2 9188

what is second harmonic, how is effect transformer ?.

2 11040

what is the voltage of insulation megger that should be used for measuring the resitance of 66kv equipments.

3 9224

what is automatic voltage regulator?we can control the vlotage by using fuzzy controller in matlab?why we go for fuzzy?

1925

CALCULATE THE TOTAL VOLTAGE DROP AND SELECT THE CABLE SIZE IN MM-SQARE FOR A PANEL-262KW AT 110 METER FROM THE SOURCE SUPPLY , SUPPLY VOLTAGE 240/415

2613

Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.

2956

why we are testing cables with DC supply not with AC supply?

9 30822

why the impedence of the transformer is expressed in percentage?

3 9576

can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

4977

what is the function of step up transformer?

2 3886

How to select the cable and voltage drop in circuit?

1703

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Un-Answered Questions

Is python slower than c?

785

How to move a string into a TMemoryStream or TFileStream?

1830

What are the features added in Servlet 2.5?

1213

what is the scientific name of kingdom fungi?

2741

What are the configuration options available in backbone.js?

what are the analog quality input for protection function?what are minimum reqiments?

1797

What is Synchronization? What is Mutex? Explain the Reader Writer Problem

885

Can you describe your research contributions?

What is threaded programming and when is it used? : Java thread

1036

If you are given the name of the function at run time how will you invoke the function?

1093

What is spring listener?

346

Describe the pros and cons of globalization?

2377

Explain when can one deviate from any flight rules and regulations?

1035

Mention the differences between union and union all

871

Can I run more than one DB instance for Amazon RDS for free?

189