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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the function of Lightning Arrester & Wavetrap in Power system ??

77076

what is meant by insulation voltage in cables? explain it?

18450

from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

1627

STATE AND EXPLAIN SUPER POSITION THEOREM.

17677

WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?

24105

WHAT IS DGA TEST FOR THE TRANSFORMERS.

18848

we hav seen in electric engine of trains only 1 wired slidng conecctn is there frm ovrhead line,howevr to complete a ckt in dc postv n negtv two conection has to b there...so where is tht negative is been connectd or where it is grounded...?

6758

What is the difference between Isolator annd Circuit Breaker.

72997

in control panel, how can i measuring the distance between one bus bar to another bus bar. then now only for bus bar. in mpcb and contactor also. that means one mpcb to another mpcb how much distance? how can i calculate that.

1928

During a temperature rise test of a bus duct, it is fed with 415 volts at 2000 amperes. Why dont we get an electric shock if we touch the bus bars?

12933

what is the difference between the 94 lockout relay and 86 lock out relay. I have noticed that the 94 lockout relay is activated when the distance realy is activated and 86 is activated when the 87T differential is activated. but why can't the same lockouts be used for both the protection schemes

66915

What is the difference between AMF panel and DG Synchronization panel? please define the working of both the panels?

33413

what is numerical relay explain its operation

8493

How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...

1552

comparision between mcb,mccb,elcb,flcb,elcb in details

1851

Un-Answered Questions

What is untyped dataset?

601

Explain about finalize method?

599

What is type IV hypersensitivity?

343

How can I get the number of records affected by a stored procedure?

633

Why do you want to join Atos?

771

what are the cubes developed in a sap bw project and what is the requirement for developing it?

1762

what is data access? : Sas-di

700

Explain the various sections of â€˜customer master recordâ€™.

725

What are the steps to create an animated progress bar using bootstrap?

1

how to search instance through serial-no?

1551

Why do you need a keyway in the construction of a wall?

710

Explain how you can debug the tests in selenium ide?

562

Do you know mutation testing?

760

What is the purpose of o-ring in the centrifugal pumps?

625

Define hold time?

964