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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 4324

How do you know when the battery is fully charged?

6 9611

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

2749

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

1723

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

1649

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

2331

how to modify DOL control panel into Delta Y connection?

1305

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

2 4453

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

7 30845

xpression 'document.FrmQF.myemail' [

1374

Differentiate between power relay and reverse power relay?

2 7334

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 5458

What is the difference between earth and neutral

4 7203

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

3 4656

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

2 4785

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ABB Electrical Engineering Interview Questions


Un-Answered Questions

Where is the exe file in windows 10?

283


Can you change the os on a phone?

322


given data are load current & power factor cable core size? plz any one update the calculation formula

1197


How would you create a scatterplot using ggplot2 package?

40


What does the first word designate in the binomial nomenclature system?

328






Explain the difference between singleton and single call?

365


Write banner command.

1


What are email services in salesforce and explain how we can use them in code?

89


What are universe requirements?

377


Tell me the characteristics of a hands-on BSA?

502


what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?

3763


Where are value types stored in c#?

350


What is Syntax of any Linux command?

409


What is a generic article?

17


what is Dojo?

3