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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

will aqatic animal die if we ground the wire of three phase instead of grounding to earth

2 4270

what is diff b/w electrical & electronics ?

Bhel, UltraTech,

6 9882

what is the formula to convert from KVAr to current?

Halcrow International Partnership,

1 4510

What is auto reclose system in Circuit breakers

1 3895

1)Why V cross Arm is used in transmission lines? 2)Why H cross Arm are not used in single poles?

1 7253

hi i am aziz electrical associate engineer. i am faceing problem in acs800 vvvf drive.it is tripping wothout any alarm/fault.i cheaked all parameters and fault function of drive, all are correct as well as communication parameters.but still it is tripping (drive is tripping in running position not in starting)

1 3711

why we use DO Fuse in H.T. Line ? What is the purpose of DO Fuse

4 48819

What is the function of semicon in 33kv ht cable ?

Denson, Finolex,

4 18296

what is the correct method for the outdoor termination of 19/33 KV HT cable step by step?

Finolex,

2029

in dc transmission the frequency pi is zero, then how it will transmit communication signal?

1 3571

time constant of RC series circuit?

DVC,

2 4624

In PT the coil is wound on?

DVC,

3 5359

galloping in transmission line is due to

DVC,

2 4673

aeroline vibration is present

DVC,

1 3755

What is the importance of counter based plan & how is it scheduled?

TATA,

1980

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Un-Answered Questions { Electrical Engineering }

what is the difference between gas group b and gas group c electrical equipment construction wise?

1822

Why the power factor improvement is so important in industrial loads

1983

Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...

3063

what is photo voltic cell,& what are the materials associated with that?and any spcifications like volts/cm etc?

1975

how could we know the size of cable by physical view?

1579

WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT

3124

Define maximum demand?

1018

What is trip and closing coil in cb? Why need of them

1465

Explain the advantages and disadvantages of thermal power plant?

1041

hi friend i am going too attend for hpcl in this month please help me by sending written test question papers i am in the stream of E.E.E

1947

How to see the inductance in a transmission lines

2101

In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

2111

May I know how much values to be set for earth fault, over current and short circuit values at 11kv side? I have 11kv van 1250amps rating. Present it's taking load 80amps?

1456

What are m circles?

1051

What fomula is used to calculate: 1. rated frequency withstand voltage, and 2. rated lightning impulse withstand voltage.

1671

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