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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 9472

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

3492

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

1 8127

what is second harmonic, how is effect transformer ?.

2 11252

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

3 9747

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

3 9480

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

2009

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

2721

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.

3055

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

9 31316

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.

3388

Waht is surge in compressors and how to control it?

1 3957

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

1 8195

What does threshold mean? what does tolerance mean?

1 5155

why the impedence of the transformer is expressed in percentage?

3 9808

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Un-Answered Questions

What version of powershell is installed on windows 7?

939

how meger function

2939

What are the dangers of file sharing?

1028

How do I remove gridlines from a table?

690

Can you instantiate an abstract class and what is an inner class?

1016

What are the commands used in cmd?

1058

How do I find the path of a program in windows?

938

How do you overwrite replication factor?

488

What are the channels in .net remoting?

995

Advantages and disadvantages of stored procedure?

1169

What do you mean by translation unit?

1135

What is an 86-P or an 86-A trip

2130

What is the use of jcomponent class in swing?

1105

Describe the term inode?

1175

Why are c# strings immutable?

1053