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  • APTransco interview questions (23)
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APTransco Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why we are giving D.C. supply to field of an alternator, why can't we give the a.C. supply

12 12375

what to do with nuetral when Generators are running in parrellel

11 9300

What will be the voltage impact on secondary side of two transformers with different vector groups when both voltages are compared.

856

what is booster? and how it is connected in a circuit?

1391

armature winding of dc machine produce alternating emf then it convert in to dc by using commutator.But only we consider armature resistance why don't we consider inductive reactane effect?

909





What is the main difference between power transformer and Distribution transformer?

9 6014

what is principle of DC machines?

5 7419

What are the disadvantages of LT AVR over HT AVR?

1 3688

in the Distribution system .which one is Most Economically used by Power Engineer ? a)3 Phase3 wire System or b) 3Phase -4wire System

6 3452

what will happen if ac and dc supplies given

958

WHAT HAPPEN IF TRANSFORMER HAS GIVEN SQUARE WAVE SUPPLY

3 4112

what is the proximity & ferranti effects can you explain to me

1 1374

Elaborate the term "rotating magnetic field"

2 2657

Why 36 KV LA is used in 33 KV Line and 9 KV LA is Used in 11 KV Line

1 4015

what is the minimum clearance between a 11KV 150KVAR capacitor cell and series reactor.can a series reactor can be mounted in the same structure of the capacitor cells structure

919

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Un-Answered Questions

what is the magnetic (electric) center)

781


I am selected for interview jr executive(electronics)in AAI.i have the interview on 13th october2010.please anyone send the requirements and share the interview details who had completed.if u have any details plz send to srikkanth.283@gmail.com r @09491955876....i'm in tense.....

971


what is electrical machines

1910


What expected result should come when Enter any sql query like “Select * from hello;” without quotes and with quotes.

398


searching a B-tree indexed tree compared to B+ tree is slow..True or false

1211






what are the info cube developed in a sap project?name them and what is the requirement?

1801


Hi All, I need code for how to execute qtp scripts from excell sheet

719


What is SNR?

357


Stimulate calculator using Switch-case-default statement for two numbers

1834


Differentiate between stop-and wait ARQ and Go-back-N protocol.

2387


Who is responsible for territory? can you please help me in getting the answer for this

1165


how to invest in mutual fund? what is bita & how it is calculated?

1721


What is functional area,trading partner in sap fico

837


1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?

8634


Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

1003






APTransco Electrical Engineering Interview Questions
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