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Electrical Engineering Interview Questions
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why secondary of c.t. will kept open ?

L&T,

4 6327

WHY KVAR IMPORTANT WHEN ANY PLANT IS RUNNING ON IT'S OWN POWER PLANT?

 1 6347

1.What is the maximum transmission voltage in india & where it is located? 2.more information about indian power scenario.

 4 5095

What is the accepted limit to increase the choosen transformer capacity over the load and why ?

 1 2691

why swityard is necessrry requirement in any bis power distributin systems?

 1872

Why distribution transformer secondary voltage is 0.433kV instead of 0.415kV.all other switchgear rating are 415 volt??

 3 7845

what is the working principle of a DG Set, Alternator, & exiter

 9725

can we share mvar in parrelell connected alternators

 2 3277

how i can calculate the size for fire cable

Adani Power,

1482

I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com

NTPC,

1462

Installation resistance for whole installation of 16 kva & 25 KVA DTRA a) Between each conductor b) between conductor to earth c) installation resistance for each apparatus, each conductor to earth d) earth resistance for the system of earthing

 1451

HOW TO MEASURE AC VOLTAGE BY USING GALVANOMETER?

 1 2781

why single phase induction motors are not self staring ? how can we start the 1-phase Induction motor ?

BDL,

3 11177

400kw, 3.3Kv motor want to fix 1000km away from substation. What is full load current? and what is the cable size for motor? I amp expecting answer and advice from your side.. thanks...

Kuwait Oil Company, Weatherford,

4 7697

How the train speed control?

Bhel,

1 3268

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Un-Answered Questions { Electrical Engineering }

How to operate a ac chilar plant?

1945

what is the difference between fault current ant short circuit current?

2241

What is EMC filter in VVVF Drive ?

2118

Difference between ac parallel circuit and ac series circuit?

1599

(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?

1659




ACB & VCB how do work and saftes and how can maintenance in this and parts name show with picture

1624

what happens when series resonance occurs?

1380

sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason

1026

draw the block diagram of fire alarm?

4970

What is rotary phase converter?

609

Define cut-off rate?

636

is all the servo motors having brake?please specify which servo motors having brake for stop on position and which are not.

1307

what is the reactive power what is the use of it in system

1609

what is the voltage regulation for unity and zero power factor?

1740

what are the range of memory address in plc for L&T lx7 4A

1802

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