Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

WHY THE TRANSFORMER VALUE MEASURES IN KVA INSTEAD OF KW.

4 7578

why do transformer humm ??????????

2 5224

if we use contactor & MCCB both in a feeder.in this feeder rating of contactor is higher or lower or same of MCCB rating & why?

1 3738

what is difference between MCB & MCCB

1 5142

WHAT IS REMOTE CONTROLLED DG? WHAT IS DIFFERENCE BETWEEN REMOTE CONTROLLED DG & NORMAL DG SETS

2 5306

how to calculate the size of cable tray

3 13417

what is the difference between online and offline UPS?

Prestige,

4 11947

Upload data by LSMW via BAPI in SAP system.

1 5800

the power consumption of perminant magnet moving coil?

1 3252

what material used made for the resistance,for the purpose of zero temperature coefficient?

2 5028

A 3PH MOTOR RUNNING IN NORMAL CONDITION AND ITS AMPERE ALSO UNDER ITS FULL LOAD CURRENT,ITS CABLE RATINGS ALSO HIGER THN ITS CAPACITY,BUT ITS CABLE GETTING ABNORMAL HEAT(NOT TOO HOT)WHY ITS GETTING HOT LIK THIS?

5 7425

2 3918

why open-delta core of 11kv Potential Transformer is 11000v/1.732/110/3?

1 7061

whats was the problem if neutral and earth got 2volt from the ups output

1 3762

SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS

2 6948

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Un-Answered Questions { Electrical Engineering }

what clearance required for 4.5 mva dry type transformer?

2078

how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you

2039

hai...... tis is Hemanth. jst now completed electrical engineering... i wanna to apper for ap tranco exam... plzz send me the previous q's paper link......thanx in advance.

2158

Difference between On Line capacitor and Station Type capacitor.

2087

What is the permissible maximum flux density in transformer core?

1285

Is Transol transformer oil comparable to nynas nytro libra?

3162

why are u join ntpc

2207

how to decide the panel size like MDB ,SMDB PANEL SIZES

7442

Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

2213

can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??

1967

What is tan delta & PPM in transformer? and whats its IS value?

2230

should %impedance be high or low in a power transformer? if so why?

1996

how to increase senstivity of ct

2474

what is the meaning of WYE and DELTA in Electric meter?

3867

Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

2869

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