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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why secondary of c.t. will kept open ?

L&T,

4 4685

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

1 5541

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

4 3426

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

1 2040

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

1240

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

3 6460

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

9197

can we share mvar in parrelell connected alternators

2 2331

how i can calculate the size for fire cable

Adani Power,

1021

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

NTPC,

1048

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

981

HOW TO MEASURE AC VOLTAGE BY USING GALVANOMETER?

1 2014

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

BDL,

3 9703

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 6136

How the train speed control?

Bhel,

1 2640


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Un-Answered Questions { Electrical Engineering }

Which type of transformer is used for lighting loads?

165


is there any role of power factor with frequency variation? and how we can manage the frequency variation?

1166


why don't we use the generator as a motor? and what will happen?

939


Direction of flow of active power and reactive power with logic?

864


sugest any typical project ?

950






what is the requirement regarding earthing of Single conductor with AWA

1192


am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this?

903


What is precision of a measurement?

187


Why colled 440V to 3-phase supply.

1183


How to prepare electrical preventive maintenance plan & shedule of machine tools in manufacturing unit.

1284


what is formula to cal cute earth pit numbers and size of earth strip used in earthing?

1302


How maesure earth neutral value & how much maximum value value required in between earth & neutral.

1156


difference between crane drive and line drive.

930


Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

1355


dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish

1402