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Electrical Engineering Interview Questions
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relation between power station capacity and voltage level?

 1580

How can we determine or find out the proper size of any cable if nothing is mentioned on it.Calculation of size in Sq.mm???

 1 2898

why we use star connection in HT motor? and delta connection in LT motor

npcc,

2 7539

How we calculate DC inducation moter Amp? Sir pls give me formula......

Superlite,

1417

is it possible to run the any motor when winding grounded? how?

 1 2534

what is the use of back emf?

 1 2682

How induction stove works?

1 1995

What is touch potential and step potential?

IRI,

1615

What will happen if i connect the delta winding motor to star input.

 1 1734

How turns ratio test is done in three phase transformers?

 2 3691

In a 11Kv/433Volt Delt-star step down transformer one one line(Line-B) of HT site is open & earthed on DP structur. What will be the voltage on LT side R-Y, Y-B,B-R and R-N, Y- N & B-N?. Please help to understand the problem with examples. Arvind , Jaipur.

1 3317

Pleasd Tell Me..... In Generating Stations Why The Generation Of ELECTRICITY Is In 3 Phase Form?? OR In Generating Station Why We Generates The ELECTRICITY In The 3 Phase?? Why Not In The 4 Phase, 5 Phase Or 6 Phase Form??

 3 4158

How will you justify IR value and Charging voltage of any motor,transformer and Cables.......???? . . . . . . . . Plz tell me any body Baljeet Singh, engineer_89@refiff.com

 1612

which element is neglected during fault calculation? a)resistance b)inductance c)capacitance d)reactance

 4 6597

where transformer is installed? a)generating station b)substation c)voltage regulating area

 6 5246

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Un-Answered Questions { Electrical Engineering }

what is the min and max ohmic resistance for the earthing rod installed for lighting poles for street light network

3013

PLEASE SEND ME NTPC RELATED INFORMATION LIKE WHICH TOPICS HAV MORE SCOPE,BOOKS TO READ,CUT OFF...PLEASE.mail at thiru.1203@gmail.com

1577

how you will decide the distance between the power transformer and its fencing

1449

testing of Vector Group – YNaoD II

2440

How to decide whether A / B / C / D curve type MCB should be used?

1843




i completed my DEEE. and i want to electrical c license. how to get it..?

1684

Why in 6 KV XLPE cable termination kit used and why not in 380 V xlpe cable same is not used

2192

how to select correct size of power cable for inverter duty motor

909

explanation of mesh bus bars

1670

Name the test signals used in control system

785

What will be the diameter of pipe between conservation tank and transformer

1443

Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.

1600

What is the difference between AC and DC injection methods for rotor earth fault protection

1679

what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?

1655

How to size fuse? How to size MCB?

1041

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