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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 9464

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

3490

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

1 8122

what is second harmonic, how is effect transformer ?.

2 11250

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

3 9740

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

3 9476

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

2004

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

2710

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 31294

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.

3382

Waht is surge in compressors and how to control it?

1 3953

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

1 8192

What does threshold mean? what does tolerance mean?

1 5149

why the impedence of the transformer is expressed in percentage?

3 9804

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Un-Answered Questions

When jsessionid is created?

1100

Explain what are the methods involved to test helium leak testing in a vacuum system?

1230

Why there are some null interface in JAVA? What does it mean? Give some null interface in JAVA?

1136

How long does it take to build a wordpress theme?

168

Why spring controller is singleton?

448

What is the use of vacuum in postgresql?

940

what is entity data model?

1123

Name the two things that enter the cell for cellular respiration?

869

What is an external table?

1080

How do I run a repair on windows 10?

1004

What are go channels?

1018

How does unix file system work?

1040

What are the main components of Cassandra data models?

119

How will you change case for all letters in string in python?

884

What does pdo mean in drupal?

120