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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 4644

what is second harmonic, how is effect transformer ?.

2 7755

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

3 5867

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

985

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

1622





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.

1914

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

9 20911

why the impedence of the transformer is expressed in percentage?

3 6628

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

3524

what is the function of step up transformer?

1 1718

How to select the cable and voltage drop in circuit?

583

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Un-Answered Questions

Explain the uses of the simple maintenance interface? : sap abap hr

87


Why should you use or avoid select * statements?

67


What is the use of dclgen in db2?

47


Define MorphX?

1


What are the types of caches in lookup? Explain them.

70






What are the elements in pom that a profile can freely modify when specified in the pom?

31


In which language, backbone js is written?

1


Is it required to lay GI wires along with GI/MS conduits from one point to another point though separate earthing cable is conncted from DB to Socket?

961


Explain the difference between “system.array.clone()” and “system.array.copyto()” in c#?

72


Is multiple inheritance possible in swift?

25


Does server sql treat char as a variable-length or fixed-length column?

88


What is a website node?

3


Explain about the data integration suite features?

37


How TCP/IP Handles Lost Packets?

754


List some of the databases supported by hibernate.

1