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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

where AVR is connected in power plant.

7 6460

what are the parameters plays a major role in Potential transformer Burden calculation??

793

What is the meaning of high reputuring in HRC fuse.?

1 3142

where rlc series ckt used?

811

Why transformer ratings in KVA not in KW?

6 5408





what is the difference between arc and spark

2 4820

What is the differentional relay...what is the work of this in power Tx. how it is works..

609

what is the safety of ACB & VCB and how can this work and how can the service the ACB & VCB parts name with picture

14 57349

what is ten delta ?

2 2765

how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?

829

what mean by analog ,digital,numerical meters and relays? say the example?

730

Hello friends., my question is related to testing of current transformer... A Ct having knee point voltage of 750 volts., and I have two step up transformer's of rating 230 v to 440 volts., can I obtain the value of 750 volts by using the two transformer's.... If yes then how could I connect the transformer's to obtain knee point voltage?? thank you in advance

1 2810

I have 90KW Motor 60 Hz,380V Pf 0,88. after testing the Motor without Load is the no load Current 36 A,but wenn i put load after 2 hours the current increase more than 156 A. Can anybode tell me waht is the Problem?

4 3959

Hello friends, Can anyone explain the concept of zones in Bus bar protection and how can we differentiate the main zone and check zone in Bus bar protection

1 6089

Difference between earthing & grounding.?

3 3104

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Un-Answered Questions

can any one explain end routine...like when it is used...and give an examole.......similarly for end routine..

993


Safety Engineering Questions and Answers

1235


In order to handle all combinations of input voltage polarities, a multiplier must have A Four-quadrant capability B Three- quadrant capability C Four inputs D Dual-supply voltages

525


what is dot net framework

1515


How to get the code from internet while i am doing project

588






what happen if the supply is given to the stator of the 3phase induction motor with out assembling the rotor ?

686


How to extract hydrophobic proteins from yeast wall cells?

752


What is scheduling

857


A prime number is a number which is divisible only by itself and 1. Examples of the first few primes are 2, 3, 5, 7, 11. Consider writing a program which can generate prime numbers for you. Your program should read in and set a maximum prime to generate and a minimum number to start with when looking for primes. This program should be able to perform the following tasks: 1. Read the maximum number from user (keyboard input) to look for primes. The program should not return any primes greater than this number. 2. Read the minimum number from user (keyboard input) to look for primes. The program should not return any primes less than this number. 3. Generate and print out every prime number between the maximum prime and minimum number specified by the user.

825


On what basis do you decide the ONAN (Oil Natural air natural) or Dry type transformer for a project?

284


solar inverters was not connected to the nuteral link .this nutwral possible to any other systems

399


Which DB using by Visulal Source Safe ? Can we assign our won database to VSS? or it have any default DB ?

1282


what are all the folders maintained in memory location?

1026


How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.

872


what is the identification test of volatile substance? what is volatile compound?

916






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