Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how electricity is generated an supplied till consumer

Power Grid,

1 1850

what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer

2396

11kv has three live wires how much voltage is in its single wire(leaving the other two wires)

Power Grid,

13 67503

what is the potential of 11kv A.B.Switch

Power Grid,

1 5214

what exactly commisioning work does in electrical site work... LT side?..

1475

What are the causes for the failures of sandwich type (Al) busducts?

1395

Which Class insulation is prefered for the sandwich Busducts ? Why?

1520

i want to know about for what reason we are using star delta starter? how it works? what are the advantages?

4 5857

can u guys pls suggest a good material for learning abt switch yard and its components

2 3315

how to calulate short circuit current for the following: 1.cable connecting 11KV of 22KV/11KV transformer to 11Kv of 11KV/415V transformer 2.what cable size should i use.

1611

What is the differance between 2 dc motors of armature voltage 660 v and 440 v?

Kirloskar,

1528

What is the differance between a converter duty transformer and normal power transformer?

Bhel,

1 11610

What is the difference between ACB & MCCB?

7 14196

what are the protection equipments used betbeen HT line and transformer in a power plant

4 7742

why capacitor rating measure in KVAR. ?

2 9209


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Un-Answered Questions { Electrical Engineering }

What are the advantages of skewing of cage rotor conductors?

684


what is smart grid? why we use it? explain in detals bcoz i want give presentatin from it....

1456


what is the meaning of neutral displacement ???

2229


which mm cable should be used for 1.hp immersible pump motor for the distance of 330 metres?

1232


I have 2 KW electric water heater.I am gonna use it in controlling water temp.so I needed to increase or decrease the heating capacity.is there any electrical-electronic circuit for varying the resistance & so current?

2553






compare between starting charactristics of synchronous motor with those of 3Q Squirrel cage induction motor

1242


what is transient stability analysis means?

1648


How to convert 2 phase to 3 phase electricpower in induction moter?

1652


Any one can explaination about calibration with rotating sub standards?

1511


what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW

7998


how to find the voltage's of a transmission line plzz help with pictures i am not able to understand

763


As we know induction squirrel cage motor torque Directly praprortinal to applied voltage in star connection & delta also. If I connect 55KW Motor to DOL starter in load condition does motor withstand the load & what will be the current withdrawn ? motor will not fail ?

1376


Is Transol transformer oil comparable to nynas nytro libra?

2605


i wasted one year for the job after completed my btech what can i say about 1year time in interview

1574


Please give me a erda placement paper

1270