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ABB Interview Questions
Questions Answers Views Company eMail

What are the differences between single phase and three phase?

1506

why elcb used in circuit

4 5864

Distance to be maximum distance we can install instruments from PLC panel?

2522

How can we select a capacitor Bank.? i need a standard formula for that.?

3 8690

what do u mean by PS-0.2-5P class of Ct

3 8150

what is the current limit of lighting arrester ?

1 2571

how many load we can take for lighting

1727

1.what is the reason for transformer and lightning arrester blast in 33kv system

2546

what is the diffrent between ups and inverter

2 4336

what is the difference between Current transformer & Capacitive voltage transformer

2 4728

How do you know when the battery is fully charged?

6 10416

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

3048

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

1877

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

1885

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

2514

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ABB Interview Questions


Un-Answered Questions

list some of the commonly used commands for debugging?

862


What is primary key index?

516


how to increase cache hit ratio?

535


What are generic file types?

474


What is server transfer?

471






How do I combine c and d drives?

458


Badi concepts

903


What is moment?

3


what is user variable in affinium campaign? and some real time examples.

3672


What are the advantages of adobe flex?

5


What are the 3 types of function modules in sap?

584


Why we are using propyl parabben in methanol in calibration of hplc for GPV test??

1699


What is a pointcut?

152


Does amazon use hadoop?

84


How do I access iis server?

471