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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

If a air condition consume 2.50 to 3.00 amp then how much it will consume in watts if it is running 10 hours out of 24 hours????

1921

If we have to feed a housing complex having load 8MVA, than what would be the better option, either we first step down 33kv supply into 11kv & than 430v or we proposed no of 33/.44 kv transformer, also which option is economical?

Kirloskar,

2279

How to conduct a Hipot test on a 11KV cable?

2 22009

in ct secondary one terminal is connected to earth why?

1 2940

what is Different between Bilinear and Unilenier?

ABB,

2209

why Transformer and DG rating capacity is in KVA

ACC,

4 11793

what is the effect of vector group while phase sequence of a generator changes,whether the vector group changes or not

2178

which type of motor we are using in local train???

Asia MotorWorks AMW,

4 11723

What it the purpose of parallel phasing transfomers??

Asia MotorWorks AMW,

2047

Why the suply frequency in INDIA is 50HZ

HCL,

2 5375

What is the power ratio between power in Star and Delta circuit?

3 5049

What is the difference between earth and neutral

3 6913

What is the difference between Earthing & grounding

4 8912

Why the suply frequency in INDIA is 50HZ

HCL,

5 9277

If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?

2264

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Un-Answered Questions { Electrical Engineering }

What is the function of the circuit breaker failure relay?

2433

what is the difference between directional & non directional earth fault with example please explain.

1898

what r the safety measures in UPS ? explain all?

2271

how to produsing geretor power

2257

What is the drawback of class b amplifier?

1230

In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?

2176

What is the Nyquist criterion regarding control systems?

1143

How much inductance or resistance require as a starter in series with induction motor of specific capacity(e.g. 5 hp) ? What is formula for it ?

2033

why i can not use thimble on capacitor duty contactor

1402

wat is the current produced in a 5000v megger? when the positive and negetive terminals are touched on our body get s shock?

1973

i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors

1909

why ht motors are star connected?

1938

what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line

3333

HOW TO WRITE A QUENTION ANSWER? I MEAN SHORT OR LENGHTHY ? OR FROM THE BOOK AS BOOK..... SOME TIME WE GIVE A ANS FROM THE BOOK AS LIKE BOOK ND WE GET MINIMUM 60% MARKS OR MORE THEN....... THEN HOW TO FILL THE Q-PAPER?

2122

what will happen if i connect 12 volt battery with 24 volt battery charger.

1946

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