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ABB Interview Questions
Questions Answers Views Company eMail

wat is the difference between real power and reactive power..which is useful..?and how it s useful..wat is the effect of these on a power system...

10 17740

what is importance of ka in mccb

2 5956

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

4 15970

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

1076

STATE AND EXPLAIN SUPER POSITION THEOREM.

3 15882





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 9072

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

3 28306

why 1.7Uo for HV cable Hi pot test?IE standard why?

1279

How much ampere rating on LT side of distribution transformer and also on HT side of 200KVA transformer

2 10015

How to solve the problem of low voltage at consumer end in distribution system if one phase come low voltage of transformer

1 2232

What is the difference when selecting a cable between AC and DC current?

13 45844

What happens if the capacitive reactance of a transmission line is very high?

5 11848

Explain the working principle of variable frequency drive?

2456

what is the procedure for three phase motor differential relay testing can it do with single phase test kit?

1 12182

What is Grounding? any difference b\w earthing? if yes plz explan??

3 4917

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ABB Interview Questions


Un-Answered Questions

Is there any point of learning mapreduce, then?

48


Is 0 true or false?

60


Why do you use interface views in web dynpro?

13


How do I convert a table of contents to text in word?

29


why eta(η) became the symbol of Newton law of viscocity

1198






What does CSS selector mean?

41


What list of calls are used to establish a tcp and/or udp socket connection?

80


What is jndi datasource in java?

44


what is the need of stress in organisations to the employees???

1067


What is Time Series Analysis/ Forecasting?

7


An action has both shared and local or associated to it and both have the same object in them. In the test which one will be considered?

89


Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.

865


How long does chkdsk last?

55


How we are using this function?

90


Calculate the line size for a cooling water line with a volumetric flowrate of 1200m3/h of water. Density of water = 1000kg/m3

959