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ABB Interview Questions
Questions Answers Views Company eMail

what is the flip flop

14 12690

Explain the working principle of servomotor

20 42587

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 56023


55 94659

in which welding process liquid metal is poured?

18 11529

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

16 26943

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 9301

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

21 65035

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

10 24647

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

10 11358

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

11 22751

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

3 3400

what is divercity factor?

4 5525

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

1 5312

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

7 24063

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