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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How will polarity test of Dy5 Transformer ?

 1775

how to remover corona effect and hysteresis losses from contactor

 1639

WHY IN WESTERN COUNTRIES THE ELECTRIC SHOCK IS VERY SLOW AS COMPARE TO INDIA.&IF ANY ONE HAVE CORRECT KNOWLEDGE THEN SEND OTHERWISE NOT

 1 3605

what would happen if u assume to insulate all the overhead lines and no insulators....??do you think it to b an advantag or a disadvantage??justify.

 3 4880

How can we increase the capacity of exixting capacitor bank??????????????? PLS. Help

 1 3346

how to calculate no load losses units comsumed by transformer

MRF,

2 6944

how many units consumed by a 33/440 2000 kava transformer in a day

Infosys, MRF,

3 9143

why do we prefer a 3-phase delta connected load rather than star connected?

 4 6560

The neutarl to earth voltage in system is 7volts on Electricity power but it lowers to 1.3volts when load transfered to DG power.what may be the reason.

 3 4829

why battery is connected in parallel ?

 7 8230

what happens if dc supply is given to the transformer?

 10 15486

why indian power system having 11.22,33 KV ???

Titan,

6 9844

What is the Gap Should maintain for HT cables crossing of LT Cable?

 2 6775

in soft starter system for 375 KW 3 ph induction motor for multi stage vertical pump, two thyristers failed causing shorting of thyrister. the motor winding failed while starting.What is the cause and what is the effect in above case

KPCL,

1 3820

what would happen when synchronous motor will operate beyond syncronous speed?

 3 4475

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Un-Answered Questions { Electrical Engineering }

A well system is when , no. of bus bar is less or more. Tell me the concept of it.

1531

Draw the single line diagram of the power station?

719

How much dc volt applied in cathodic protection system?

1921

how many Classification of fire extinguisher

1742

What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

1666




Mr. mohh sahid m not satisfied for ur answer to the que weather the size of transformer increases or decreases withchange in fr for more detail go to the answer given by me

1732

difference bewteen reverse current and alternating current

1760

What are test values for an 63 KVA and 100 Kva Distribution Transformers for the following typical tests 1)Magnetic balance 2)Short circuit test 3)Open Circuit test 4)Vector group confirmation test .please give me the standard values for all the above tests.

2340

Single phase and threephase power calculation

1739

please send previous exams question papers

1479

The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.

1588

what is Fan Control Cubicle

1996

how to select energy meter? have any calculation?

2474

Can anyone explain me about the capacitor calculation

1781

A low wet bulb temperature indicates

775

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