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ABB Interview Questions
Questions Answers Views Company eMail

what is the flip flop

14 11971

Explain the working principle of servomotor

20 41530

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 53680

WHAT IS THE DIFFERENCE BETWEEN PLC AND DCS

55 91588

in which welding process liquid metal is poured?

18 10696





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

16 25962

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 8748

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

21 63231

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

10 23506

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

10 10913

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

11 20455

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

3 3173

what is divercity factor?

4 5171

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

1 5135

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

7 22138

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Un-Answered Questions

What are the advantages and disadvantages of ABAP/4 query tool ?

1020


what is the difference between configuration and customisation in sap hcm

1153


What is meant by running clearance?

1347


1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?

2922


How to Bind Addresses to a Socket?

350






We select 10mm nominal thickness for Elip head of a pressure vesel. The minimum thickness after forming is 8.2mm. (Shell thickness is 8mm. The minimum thickness after forming is satisfied or not with UG-79 (d)(3) in ASME SECTION VIII, Div.1?

1453


Give us an example of a situation where you didn't meet your goals or objectives.

769


why did u want to leave your past organisation?

938


In inglish: How to convert jar to exe files? Em português: Como converter arquivos .jar para .exe?

1354


Hi Friends, This is Chennamsubbaraidu.i Have 2+ Years Realtime Exp in Manual Testing.Am Looking to Shift From My Present Company.Please if u Have Any Openings in Your Company's, Please Let Me Know.Any Location Prefer.Thanks.

641


Short Answer on __________Leverage

747


What is your psychology of selling?

605


What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?

677


A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.

980


Calculate the weighted average of a list of n numbers using the formula xavg = f1x1+f2x2+ ….+ fnxn where the f’s are fractional weighting factors, i.e., 0<=fi<1, and f1+f2+….+fn = 1

2093






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