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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the difference between Current transformer & Capacitive voltage transformer

2 4860

How do you know when the battery is fully charged?

6 10688

What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

3138

What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer

1946

What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

1957

what is the purpose of high speed earth switch in gas insulated substat

2580

how to modify DOL control panel into Delta Y connection?

1521

how many testing use in power transformer?tell equipment names?

2 4942

what is the meaning write of AC1,AC2,AC3 .....power contactor

7 32893

xpression 'document.FrmQF.myemail' [

1624

Differentiate between power relay and reverse power relay?

2 8687

what effect on electrical equipment if PF is gone over 0.996 in leading when provider say that its keep in minimum 0.996lagging

3 6235

What is the difference between earth and neutral

4 7876

for a machine R=130 KVA Y=132 KVA B=144 KVA Then what will be the total kva

3 5369

what is the rating of Insulation tester for measure 15 KW, 3 phase 415V 50 HZ induction motor?

2 5262

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ABB Electrical Engineering Interview Questions


Un-Answered Questions

Explain the different parts of the x-ray radiation intensity graph? : quantum physics

592


What is access on a computer?

430


What is android version 9 called?

526


Explain Test Plan with example? Explain following in the test plan with examples What is being tested? What are pass/fail criteria? When will each test occur? What Hardware & Software environment is required? What features must be tested? What features will not be tested? What are the responsibilities of individuals & organisation in the project?

2185


Is xhtml and xml same?

495






in Tally what is cost cenre,cost categori and why we need to prepare them

1658


What is near, far and huge pointers? How many bytes are occupied by them?

694


What are the Features and disadvantages of dataset

584


What is an interface class? Give one example of it

510


Tell me what are the types of layout available in bootstrap?

3


What is Raspberry Pi in IoT?

3


why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space

1820


What do you understand by the term data contract?

450


Kindly name few of the last code given to android different versions?

550


Why shouldn't I use fixed sized fonts ?

306