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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Do you know how to measure the earth resistance? if so explain it

42 122838

What meant by lagging and leading? When if they are occurred what preventive methods should be taken?

14 40598

what is cogging and crawling

20 67782

What is the meaning of TRI Vector meter?

7 23849

What is the difference between voltage transformer and potential transformer?

38 70060





Explain the working principle of servomotor

20 41406

why we step down voltage level from 33kv to 11kv and 11kv to 415v.Instead we can step down voltage from 33kv to 415v directly using single transformer.

12 53436

how to select a circuit breaker?

24 45730

What are the difference between C-Curve and D-Curve for MCB's.

17 170739

why voltage drop will occurs in 3 phase line?

12 15642

what is full form of lv and mv? 2.while we connect capacitor to generator what will cause for it?

4 24246

hw to find transformer is in normal position? whether its in charged condition or not? except humming sound?

9 8170

what is corona effect?

39 70669

If the supply voltage is same (say 440V) whether a system designed for 60 Hz frequency will work with 50 Hz frequency or not , if so pl. give clarification.

11 8676

what is transformer

63 42881

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Un-Answered Questions

How much steam required for 1MW power production form 30 bar G super heated steam(350 C), outlet of turbine 4.5 bar

923


What are the limits for LOD and LOQ?

1042


simple program of graphics and their output display

781


Cognos Online Training will be provided. prior training with all real time aspects. Comprehensive training will be given in Datawarehousing concepts , cognos 8.4 and cognos 10 versions. Contact kris.cognos25@gmail.com

964


Which standard we are following earthing resistance test

230






void main(){ int a; a=1; while(a-->=1) while(a-->=0); printf("%d",a); }

459


Describe a past experience with implementing a test harness in the development of software.

2091


How do we convert from Numeric to be Words?

1822


what is system testing? as test eng, what do u do in sys testing? who invoves in sys testing?

774


Illustrate briefly about the different types of statement

1045


Explain about the buoyancy of yeast in media ?

893


difrent between vcb acb sf6 and mccb breakers

3251


In JCl , we have COND parameter.This holds comparison code and condition.It also has only and even parameters. ex: COND((4,GE),EVEN).what the comma mean here. is that 'and' or 'or'.

1013


how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.

763


Find out the list of authorization objects which contains activity as a field? Thanks in advance.

913






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