Follow Our FB Page << CircleMedia.in >> for Daily Laughter. We Post Funny, Viral, Comedy Videos, Memes, Vines...

Electrical Engineering Interview Questions

what is the responsibilities of electrical project engineer?

4442

For backup batteries connection,which method is best? series or parallel ?

ABC,

5426

1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?

NTDC,

3643

If cvt is most advance & effective(economically & stability)so why not use instead of VT(11 kv & 33 kv)?

4169

what is the difference between grounding and earthing......how can we differentiate each other.....

3845

How RTCC panel is working and give single line diagram for RTCC with transformer?

2265

1 sq mm conductor=? how many amps

6511

how to calculate power

4735

Why mostly the HV side of transformer has Delta?

2322

how current is reverse from its normal direction during the fault?

HGF,

1596

The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?

2810

I have a transformer 3phase 11kv/410v and its name plate missing. now how can I judge its rated kva?

7749

My load is 15 kw,i want to improve power factor from 0.8 to 0.9,how select capacitor

6904

how to calculate the cable size depending on the transformer rating

3892

what is the meaning of impedance protected in instrument cooling fan

2127

Un-Answered Questions { Electrical Engineering }

A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?

1327

how to calculate IR value of 33KV cable ??

895

what is the minimum voltage require to injure our body?

4463

how to select automotive wire by mathematical equation with given current, vlotage and resistance

1527

List examples of voltage source?

242

Define corner frequency?

247

Which standard we are following earthing resistance test

567

what should be the ideal gauge of wire (In sq mm) for different loads in Ampere?

534

2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?

1171

advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor

1009

why we use sinosidal voltage / current instead of others in system?

1140

what is the difference between skin effect

1327

How to calculate ht side cable of 630 kva oil cooled outdoor transformer?

631

explain the types of drives

1153

What is relation between mu(nought) and epsilon(nought)?

277