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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 71143

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

3 5038

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

2 3243

is earthing is necessary if we use armoured cable

1 3484

How can calculate thermal overload in relay?

1 2991

ful form of gis

2 2915

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 17144

what is excitation/


how capacitor control the power factor/

2 4094

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 3433

what is meant by LT & HT?

5 7456

purpose of breaker contact multiplication relay?

5 17135

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

2 17124

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ABB Electrical Engineering Interview Questions

Un-Answered Questions

What should you do before you start the engine?


in an electronic tri vector meter when the current and voltage sequence changes ? what is the effect of phase sequence on recording of meter


What is surging in a centrifugal compressor ? How it occur's ? How is antisurging done ?


Name different types of NoSQL database?


What are the govt approvals required for starting of power project. means from initial site grading and excavation work.exm. blasting in hard rock, deep excavation, cut off trees from site.


Explain how you can add frameworks in Xcode project?


What is encoder and decoder in machine learning?


Explain routing in codeigniter?


What is conic lofting?


we have 2.2kw,Y,3000rpm motor but 6leads found in TB what happen if we connect in delta?


Respected sir,madam this is jyoti ranjan intersted for(BPO/CALLCENTER) so if u would send 2 me all types of BPO/CALLCENTER question then i shall greatfull 2 you.thanking you.


Give an account of free style 293 cells ?


How to read the entire file into a single string?


Define AOT?


Explain how you would be an asset to Foot Locker?