Electrical Engineering Interview Questions
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I have recently seen a transformer which had two primary terminals and was connected between two lines,i would like to know what kind of transformer is it?short discription about it,any advantages,purpose of usage of the same.............

8 5020

how to measure the voltage drop in cables also give formulas to calculate.

Cable Wireless,

3 8499

for 12KW motor which cable size has to select for ex.10 meter.

4 8743




whats the advantage and disadvantage in TUMETIC mdel transformer

ABB,

2 6556

What is meant by unilitrel device?plz tell about h-parametrs

1 1702

what is ELCB?

Wipro,

10 14183

When connecting a loaded powerplant to the Huge grid,what are the factors to be considered and how the VAR flow will affect the system?

1 2264

iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?

RRB,

932




what type of questions are asked and howmwny questions belong this catagory?

RRB,

806

A 2D array X(7,9) is stored linearly column wise in a computers memory.Each element requires 4 bytes for the storage of the value.If the first byte address of X(1,1) is 3000,what could be the last byte adress of X(5,8)?

TCS,

2 2047

For testing 33kv cable hipot testing. How much kv we have to Apply .Give in details.

23 62124

why we permissive overreach in distance protection.where it is applicable to use in long r short lines

1406

what is the difference between underreach and overreach.what is the advantage of using overreach instead of underreach.explain

1 9397

WHAT AC (HI VOLTAGE TEST) VOLTAGE SHOULD APPLY FOR 33KV CABLES.EXPLAIN IN DETAIL

NTPC, Voltech,

12 12055

The neutral to earth connection in my industry is showing a zero reading (shorted). I have a machine which has to be installed where neutral to earth is not shorted and shows a leak voltage <3 Volts. Please suggest me how it is possible.

6 5846


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Un-Answered Questions { Electrical Engineering }

how does grading rings & spacers in transmission line works? Working Principle?

755


How to Calculate The Neutral Earth flat design calculation for the Synchronised generator (Gen 1-650Kva, Gen 2-725Kva

347


WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?

930


Do u know any one? how to find out in motor rated amps? formula?

613


what is meant by impedance & transient protection?

733






Any one who apply for Ferro Scrap Nigam Limited cn join with me at rajuhalder@indiatimes.com or 09669717028

762


For the requirement of a furnace of temperature range up to 1200 oC using silicon carbide rods, What is the required rate of transformer needed (please do it with all details)?

721


WHAT IS DEAD END IN PROTECTION?

1167


Why the output of OP-AMP is always less than Vcc?

688


why power factor is lagging and leading(i.e -1to +1)

368


what will be the min and max voltage flow from neutral to earth?

113


can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)

688


how define the torque in ac drive. from electrical side in the drive friquency ,voltage and current three factor is there.

812


define reflection method?

664


what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?

7004