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ABB Interview Questions
Questions Answers Views Company eMail

what is the flip flop

14 12550

Explain the working principle of servomotor

20 42276

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 55546

WHAT IS THE DIFFERENCE BETWEEN PLC AND DCS

55 93829

in which welding process liquid metal is poured?

18 11332





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

16 26703

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 9169

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

21 64605

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

10 24399

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

10 11254

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

11 22234

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

3 3353

what is divercity factor?

4 5447

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

1 5279

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

7 23614

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Un-Answered Questions

when you are defining a flat file in your program in f specs which format will you specify?

25


what is moment-curvature relationship in semi rigid connections??

987


Describe the atmosphere on Venus, Mar and Jupiter.

1


purpose of primary and secondary air? causes of smoke?

1220


What are the methods for calculation of the percentage of roots colonization - Mycorrhizae?

1043






hi every body i am master student in control engineering and my project is slip control in trains i assumed a Dc motore as traction motor but i don't have characteristics of this kind of motor that is used in train. i want from every body if he or she has the characteristics or information about Dc motor that is used in train give me those information or technical characteristics .

472


What is lazy loading in hibernate?

1


How to calculate the force on a column of three story building. What should be the base concrete height?.

1029


What is the requirement of virtualization platforms in implementing cloud?

5


What is Message in camel?

1


Identify and use the ANSI/ISA-S5.1 consensus industrial standard process symbols.

2366


What Security Precautions Should Be Taken At Public Hotspots?

1066


How do you find the most recent human sequence data in the data bases inorder to determine physical maps?

1014


Explain the working principle of hydrostatic propeltion system in a tractor?

5


how you will check dr media?

19