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ABB Interview Questions

Questions Answers Views Company eMail

What are the differences between single phase and three phase?

2003

why elcb used in circuit

4 7194

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

2986

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

3 10318

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

3 9340

what is the current limit of lighting arrester ?

1 3303

how many load we can take for lighting

2237

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

3059

what is the diffrent between ups and inverter

2 5295

what is the difference between Current transformer & Capacitive voltage transformer

2 5873

How do you know when the battery is fully charged?

6 12861

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

3783

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

2341

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

2347

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

2959

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ABB Interview Questions

Un-Answered Questions

Is xpadder free?

825

Can I import same package/class twice?

917

Is set iterable in python?

888

Explain webflow. How does it relate to sap business workflow?

735

How to copy data from one server to another using php?

1002

What happen if we install flow meter with orifice plate, but bevel position is in upstream and not in downstream

1394

What are the different types of view?

1069

What are Flowchart activities in UiPath?

292

What is the design architecture of Cassandra?

What are expert systems limitations?

894

If a polar molecule has a charge of 4.8 * 10^ (-10) and internuclear distance is 1A then what is its dipole moment?

1019

What is dll a file?

927

Which sort is stable?

915

Differentiate between transparent tables, cluster tables and pooled tables

1077

how to share the metastore within multiple users?

888