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ABB Interview Questions
Questions Answers Views Company eMail

I have a transformer whose primary operates at 230V, 50Hz for which the secondary voltage will be 12V, 50Hz. What will be the secondary voltage if the primary is fed with 400V, 8KHZ Signal?

 6 8365

Why TAP changer provided in primary side of HT transformer ? and why not in secondary?

 9 46458

What is system earthing?what are the types?

 1 2858

Why P.F(power factor)relay should not be connected to the D.G(diesel generator) incomer side

 1 3379

How can we calculate the KVA rating of a Distribution transformer from its core details?

 1608

What is the min.& max distance between two earth spikes is required for measuring earth resistance of an earth pit? Is the manufacturer of Earth tester decides this? Pls explain.

 3 8251

What happens if the capacitive reactance of a transmission line is very high?

 5 13930

if mr.X get 2,00,000.00 per month salary. than how we will calculate his tds.

 3 5294

Explain the working principle of variable frequency drive?

 2991

what is the purpose of battery tap voltage.

 3 23060

Why we Specify Transformer rating 433 V Instead of 415V ?

 8 33738

what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????

 1721

How to estimate the cost of projects ?

 3 16412

what is the procedure for three phase motor differential relay testing can it do with single phase test kit?

 1 14309

What is power factor ?What are the benefits of improved power factor & how. Please explain with examples.?

 5 11424

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ABB Interview Questions


Un-Answered Questions

Explain the difference between join specification and join definition?

516

Is ejb a framework?

531

How many types of auditing in Oracle?

566

What is the difference between api and microservices?

341

Define circular linked list.

573




what types of assets are focuses in ibm maximo?

5

Where cassandra stores its data?

53

Tell me what knowledge do you have in insurance? : insurance cold calling

314

Explain in brief, what uddi is?

345

How many HTML tags are should be used for the most simple of web pages?

514

Please define Transaction Type , Movement Type , Asset Transaction Type , Item Type & Document type. Please also give examples of each of them

2187

Define custom hierarchies?

531

What's the purpose of using break in each case of switch statement?

514

WhatIs the limit of duty exemption in smal scale industries.

1724

what are metrics and what are metrics did u collect in you are project

1932