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ABB Interview Questions

Questions Answers Views Company eMail

What are the maximum and minimum ratings of MCB,MCCB,ACB,OCB,VCB and SF6 breakers?

2 32120

in transformers for ex. 100mva and 400kv the secondary current is about 420 amps but for selection of bushing the capacity of selected bushing is 2000A why there is such big difference ?

2 4843

what is creepage distance in sub-station?

3 9288

what is the weight of wet concrete?

8 15117

What is d role of reactive power in power system??How it produce & consume?

5 8672

Mechanism of Wye Delta Starter?

2 5052

can we use only a isolator in the subtation..

1 5190

what is the major difference between LIBBP & HIBBP.. which one is most preferable..

2886

what is electronics?

8 9712

When we synchronize the Generator BKR with TIE BKR then Gen BKR is hold but TIE BKR is Tripped on Non directional over current but when TIE BKR is Syn. with Gen. BKR then no fault occur so what is the problem

1 3515

What Normal(Tangent) towers and Tension(Cut-point) Towers?

1 6129

what is the reson in a/c system that TPN TRIPPING

1986

what is the calculation of current when a clampmeter is attached to two phases of any drives.

3 5918

what is CFC logic in communication system? where do we require this for protection system

3 9942

difference bewteen reverse current and alternating current

2176

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ABB Interview Questions

Un-Answered Questions

What do you mean by oracle dba and what is its role?

544

Is pfsense linux?

875

Define Kotlin Programming Language?

161

Could i know how how to explain keyword driven framework in interview? If any body knows plz send the explanation.

2120

How do I edit a table in mysql workbench?

800

what are the genetical reasons behind obesity?

2466

What is a simple table?

836

What is taxonomy in drupal?

147

Why is my excel spreadsheet split in two?

650

What is a zombie process?

880

Explain the computerized fabric checking machine.

What is the use of organizational key?

1065

What is a covering index?

934

For a Hadoop job, how will you write a custom partitioner?

618

Why does chkdsk run every startup?

848