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ABB Interview Questions
Questions Answers Views Company eMail

what is the flip flop

14 13714

Explain the working principle of servomotor

20 44022

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 58442

WHAT IS THE DIFFERENCE BETWEEN PLC AND DCS

55 98501

in which welding process liquid metal is poured?

18 12581





which type of architecture 8085 has? what major and minor differnce of 8086&8085

16 28180

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 10005

1. Why a DC motor starter is called 3 point starter

21 67265

Transformer's core is made up of which material and why so?

10 25668

tell 2 reasons for why only copper is used in domestic wires& only alluminium in transmission lines ?

10 11982

how much loading in terms of ampere can put on 5 MVA,33/11 KV TRANSFORMER having rated current 263 Amp ?????????

11 25199

1. what is the power factor and whatis his losses 2. what is the working procedure of 51RNB AND 87 relay

3 3696

what is divercity factor?

4 5870

why transformer is conneted to dc for polarity test.it doesnt work in dc?

1 5507

How to connect frequency meter in metering circuit?(single phase and three phase frequency meter)phase to phase or phase to neutral

7 26047

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Un-Answered Questions

Bacteria received on filter paper how to revive and store bacteria ?

2184


What are the features of the new spring build system in use now days?

13


How do I access my outlook email from home?

1


How do I get the classic start menu in windows 8?

70


lic (life insurance corporation)how much he or she as to deduct income tax on his gross annual salary. please give with examples

1072






What do you understand by crawling?

109


What is sql and db2?

88


Hi, wrong work item in universal work list.what could be the reason and where to check? can any body guide me thanks

914


What is a db2 package?

110


What is protected in oop?

96


What is an observer?

99


How to test for bad numbers using javascript?

115


What causes cylinder liner-wear down?

1167


Explain how to add the reference of a class library project in silverlight application project

1


What are polyclonal antibodies?

74