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ABB Interview Questions
Questions Answers Views Company eMail

what is the flip flop

14 18871

Explain the working principle of servomotor

20 50534

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 69588

WHAT IS THE DIFFERENCE BETWEEN PLC AND DCS

55 114579

in which welding process liquid metal is poured?

18 17707

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

16 34517

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 13518

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

21 75517

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

10 29358

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

10 15030

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

11 34100

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

3 5190

what is divercity factor?

4 8074

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

1 6566

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

7 33804

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Un-Answered Questions

How do I edit the master slide in powerpoint?

131


what is windows azure platform?

308


A company needs to monitor the read and write IOPS for their AWS MySQL RDS instance and send real-time alerts to their operations team. Which AWS services can accomplish this?

198


What is the main activities of Assessment Cycle? and how it works? plz. give the configuration in details.

1899


What do you mean by find and replace?

322






how to do aggregation (year wise quantity ) using only source qualifier, the source is sql server date as datetime data type and target as flat file with year (string datatype)

2267


How to create an inline table-valued function?

570


what are the limitations of accounting ratios?

654


Will there be a windows 13?

479


Explain the secondary structure of proteins?

585


How you will store user info (username, password or token) securely in ios?

466


Can we remove element from arraylist while iterating?

533


Use of Codegen command in Hadoop sqoop?

5


What is sql used for?

684


How do you explain the different solvent power of water and other organic solvent?

2269