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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the major difference between LIBBP & HIBBP.. which one is most preferable..


When we synchronize the Generator BKR with TIE BKR then Gen BKR is hold but TIE BKR is Tripped on Non directional over current but when TIE BKR is Syn. with Gen. BKR then no fault occur so what is the problem

1 2027

What Normal(Tangent) towers and Tension(Cut-point) Towers?

1 3688

what is the calculation of current when a clampmeter is attached to two phases of any drives.

3 3452

difference bewteen reverse current and alternating current


why transformer rating is in KVA?

4 5121

difference b/w series¶llel

4 4510

You are given 220 V supply source, four wires, an ammeter and voltmeter. There is no any indication or description on meters. How will you identify which is ammeter or voltmeter?

7 6813

what is mean by dual digital protection in the relay field?


how to improve IR value in HT motors?

3 13517

why secondary terminal of current transformer should not be open circuited?

4 7475

why characteristics of overcurrent relay is time-->psm instead of time-->current?


how much mininmum length required to conduct a DC Hipot Test on 33kV AC Cable with 45kV DC? Is it 20meter or Less then 20?


In star delta Schematic can we connect OLR in delta circuit

2 4722

Why NGR is required for 11Kv geneartor in power plant

2 14476

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ABB Electrical Engineering Interview Questions

Un-Answered Questions

Why is a new object created whenever I call jsp: use bean?


Can Bo generates the Report from the cubical data Explain?


What are data pump export and import modes?


Explain trashing?


Which sql statements can be used in database testing?


Call to copy of an action and call to existing action… i know the diff but in real project how to use..? i want live scenario.pls help me..


Can a class have an interface?


For high frequency applications will you prefer mosfet or igbt? Why?


What is streamreader/streamwriter class?


What methodology can be followed to store more number of objects in a remote server?


Why php is better?


How is the item text copied from sales order to delivery?


When exactly will you automate a test?


Explain the concept of real-time operating systems?


How can one find bugs in job sequence?