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ABB Interview Questions
Questions Answers Views Company eMail

what is the flip flop

14 16745

Explain the working principle of servomotor

20 47936

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 65550

WHAT IS THE DIFFERENCE BETWEEN PLC AND DCS

55 108258

in which welding process liquid metal is poured?

18 15556

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

16 31887

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 11999

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

21 72448

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

10 27853

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

10 13682

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

11 31145

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

3 4523

what is divercity factor?

4 7057

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

1 6118

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

7 31147

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Un-Answered Questions

sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

1543


What is deployment diagram in UML?

435


How to enable production mode in react?

101


How many depreciation areas can be defined for a company code ? : fi- asset accounting

475


What are the benefits of web application?

312






What is the breaking capacity of transformer and how can we calculate the breaking capacity of tranformer

1068


which plant has less number of genes and which has large number?

1300


What is jquery mobile theming? : jquery mobile

345


How do you get column names only for a table (sql server)?

540


Write an algorithm that counts number of nodes in the circular linked list

371


Mention some of the functions that the backing bean method performs?

49


Select all the employees who were hired in last 2 years and who works in dept where max managers are working.

2292


How do you split a cell into two in excel?

211


What is pop and imap in outlook?

1


How do you execute the payroll

1647