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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the function of a Master trip relay? why is it used ?

5 73823

what are different type of triping equipmen like MCB,MCCB and their differences

3 5390

Who we calculate the generator NGR resistant, generator voltage 11 KV ?

2 3484

is earthing is necessary if we use armoured cable

1 3771

How can calculate thermal overload in relay?

1 3209

ful form of gis

2 3193

Explain Creepage Distance of Insulator


How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?


What is the meager?

6 18147

what is excitation/


how capacitor control the power factor/

2 4349

I have two power supply.a)govt. power b)Captive power.3 phase load connected inside factory.when source change govt. source to captive some motor rotate reverse. Is phase sequence changes when if off & on?If I off generator & on it again is it possible to get changed phase sequence??

4 3873

what is meant by LT & HT?

5 8050

purpose of breaker contact multiplication relay?

5 18849

what is post close & pre close of trip circuit supervision relay in circuit breaker control scheme?

2 18215

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ABB Electrical Engineering Interview Questions

Un-Answered Questions

What is oracle datasource?


If a1M1× DRAM requires 4 ms for a refresh and has 256 rows to be refreshed, no more than __________ of time must pass before another row is refreshed.


How will you transport release strategy from quality server to production server? Will you transport it from one server to another?


What are different types of data models available? Explain with example?


Explain the different types of joins?


explain what are actual arguments?


the distrubution system in water supplies is designed on the basis of avg daily demand peak hourly demand coincident of draft greater of B & C


What audio format is compatible with powerpoint?


Determine ootb functionality in siebel.


What does double mean in javascript?


whts is the meaning of over cost and under cost, what is difference ?


Is angular object oriented?


How does the aggregator transformation handle null values?


Explain eib?


what are connecting proteins ?