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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 9129

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

3386

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

1 7938

what is second harmonic, how is effect transformer ?.

2 10994

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

3 9419

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

3 9185

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

1906

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

2602

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.

2937

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

9 30713

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.

3264

Waht is surge in compressors and how to control it?

1 3768

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

1 7940

What does threshold mean? what does tolerance mean?

1 4955

why the impedence of the transformer is expressed in percentage?

3 9523

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Un-Answered Questions

Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?

627

how to implement the logic in procedures if the source side data deleted that will reflect the target side table?

640

how to display the negative numbers?

2261

What is the file extension you use for hibernate mapping file?

406

What is work list, work basket?

472

What are pleura?

What is the difference between router and filter?

1152

List the applications of set adt?

860

What is the purpose of sprintf() function?

1052

How do you insert a row?

669

is this growing field and what is average package in this?

2243

What processes will be required to manage updates to the web site's content, and what are the requirements for maintaining, tracking, and controlling page content, graphics, links, etc.?

1038

How to setup angular 4 development environment?

823

When was the american space shuttle 'challenger' launched?

737

what is program data insulation in dbms?

2284