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DEWA 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 9139

Why should compressed gas cylinders stored in upright position describe the cause?

3393

Why should empty compressed gas cylinders stored in upright position please describe the cause?

1 7945

what is second harmonic, how is effect transformer ?.

2 11006

how many stages in compressor in ge 9 fa gas turbine ?

3 9429

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

3 9191

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

1912

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

2605

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.

2944

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

9 30724

you must show the examples application and give at least 4 types of transducer/sensors that can minimize the failure during the manufacturing of the resistors.

3270

Waht is surge in compressors and how to control it?

1 3773

What is surge in compressors? How to detect and control it?

1 7950

What does threshold mean? what does tolerance mean?

1 4964

why the impedence of the transformer is expressed in percentage?

3 9532

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Un-Answered Questions

What is scalar query in hibernate?

369

How soon the bug should get fixed?

1095

What is difference between singleordefault and firstordefault?

857

What are the different kinds of panes included in cognos?

1002

What are heavy weight components ?

999

What are the channels in .net remoting?

897

Can you explain internet-level security?

1078

How to make a column bigger and delete unique from table.

890

* ** *12* *123* *1234* *12345* *123456* ********

2028

Explain the use of tasktracker in the hadoop cluster?

603

After increasing the replication level, I still see that data is under replicated. What could be wrong?

426

What is a permalink structure?

153

How do I delete files older than 2 days unix?

911

How effective is online advertising? Which type of products should be advertised online?

870

What are UML Messages?

901