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 1611

what is diff b/w electrical & electronics ?

Bhel, UltraTech,

6 4645

what is the formula to convert from KVAr to current?

Halcrow International Partnership,

1 2323




What is auto reclose system in Circuit breakers

1 1945

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

1 3343

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 1619

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

4 25167

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

Finolex, Denson,

4 11787




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

Finolex,

677

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

1 1546

time constant of RC series circuit?

DVC,

2 1938

In PT the coil is wound on?

DVC,

3 2201

galloping in transmission line is due to

DVC,

2 1982

aeroline vibration is present

DVC,

1 1447

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

TATA,

569


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Un-Answered Questions { Electrical Engineering }

What is the use of Surge Capacitor in LAVT?

9122


HOW TO CALCULATE ELECTRICAL, MECHANICAL,& OVERALL EFICIENCY OF GAS ENGINE POWER PLANT

627


sir pls send the je exam - 2008 and other model question papers..

610


What is the most accurate way of testing ELCB?ELCB is better than RCD?

1895


Why single phase induction motors are not self starting ?

50


what is d check in dg 1500kva

603


What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)

109


if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)

453


Why is a synchronous motor always star connected??

1051


How many lightning arrestors to be installed on 50MX60MX10M building and is there any formular for that?

503


3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?

540


can any tell me why slope 40% and 80% is calculated in differential protection?

496


how to calculate regulation constants for over head lines? and what are the regulation constant for raccoon conductor at different voltage level and different P.F?

547


hi frnds what is meant by harmonics & what is meant by third hormonics,where its will occur ?thank u

630


how to find the multiplication factor for digital energy meter and analog energy meter

766