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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 ??

18 63163

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

4 14269

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

801

STATE AND EXPLAIN SUPER POSITION THEOREM.

3 14778

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

5 19599





WHAT IS DGA TEST FOR THE TRANSFORMERS.

3 15405

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...?

5 4086

What is the difference between Isolator annd Circuit Breaker.

21 60303

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.

1013

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?

6 7860

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

10 46917

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

3 25456

what is numerical relay explain its operation

2 6259

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...

701

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

997

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Un-Answered Questions

if there are two application 1 and 2 having a variable x in both app if client1 changes value of x in 1 app client 2 want reads the value of x from 2 app what resultant value will he get

1116


What is the difference between CD-R and CD+R?

1004


What is different type testing you done when doing webbase application.the desktop application

744


why the blood cholesterol level of birds is very high ?

933


I have applied for the post of Section Engineer. plz anyone send me the previous question paper. i did my engineering in Information Technology.

739






Define and describe the use of algorithms.

809


Can a Nascent Hydrogen be used for fuel cell without damaging the equipment and if so how good would it be compared to other type of hydrogen.

951


What is the purpose of Catalog? how you reverse UD?

653


Hi! Using Descriptive Programming How do we get Parent object for an object by writing script(DP). Say, i want to get a parent object for a "Link" in a web page by writing script in Descriptive Programming.

1342


what is forecast

114


What can you contribute to this company?

824


Do needles appear to be mottled, turning yellow to brown?

756


Is the stealth technology is based on the "Reflection coefficient of the material? What are the other factors that affect to optimize this technology

626


One of the Institutes contains 5 student groups. Every group contains 4 students. Institute wants to store student group’s details in array. Group should contain group member’s details (name and registration number and age), project name, and mark of the group.

1300


How would you teach an old lady to fix her dwindling internet connection?

462






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