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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the 415V AC Soft starter? Explain with an example?

TCS,

1 3160

Explain types soft starters?

Siemens, TCS,

7 17275

TELL ME, WHERE SHALL I GET BASIC ELECTRICAL ENGINEERING BOOKS IN INTERNET?IT SHOULD CONTAIN ALL DEFINITIONS?

TCS,

1447

Why DC current is not used in transformer?

JK Paper, TCS,

20 30560

what u meant of power plant?

5 5801

if 50hz transformer is required to be run on 50% frequency what needs to be done???????????

century,

6 7541

How Negative Phase Sequence Relay works in case of Synchronous Motor?

L&T,

4 28461

How we detect the leakage current of 11 KV H.T. motors and waht is the maximim limit?

Ambuja, Pristine,

3 6749

HI SIR, AM PREPARING FOR RRB FOR SECTION ENGINEER POST. PLZ SEND ME THE PREVIOUS QUESTION PAPERS AND HELP ME. I HAVE NO ENOUGH TIME MY EXAM DATE IS 22ND JUNE.... MY EMAIL ID IS nalla.amarnath@gmail.com

956

Slow acting fuses are most often used for which application a) Lighting circuit b) heating circuit c) Motor D) Radar circuit

1 2462

What are the consequences in using existing step up transformer (primary 6.6kv/175A, secondary 480v/2405A) for step down transformer to have a 6.6kv output?

1 2220

what is neutral grounding? why is it required? what is neutral grounding resistor and how is its value calculated??

NTPC, ONGC,

11 58389

Why we are using Ohm's law? where it is applicable? explain.

Pyramid Saimira, TCS,

10 15803

WHAT IS BASICS TO SELECTION OF 11 kv Trasformer, send any calculation sheet for selection of transformer

NBCC,

3 7258

Does frequency change with increasing voltage i.e 220v to 11kv? explain if not?

6 7474


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Un-Answered Questions { Electrical Engineering }

How to calculate VA rating for CT or PT or Control Transformer?

1791


Give me the calculation steps to design an electromagnet to be work in 230V 50 Hz AC Supply. Also give force that is created by that electromagnet when it gets energized.

1364


define hysteresis loss, eddy current loss and windage loss

1019


what is the formula of starting current of 3phase and 1 phase motor???

1132


Why do not we prefer non conventional sources of energy to conventional sources?

186






hey guys help me out.....what  are the industrial uses/functions of nozzles in industries 

703


is it possible to turn on the single phase star delta on delay timer using 24 v dc ?

977


I need the list of Universities who have summer intake for BS degree in Electrical Engineering.?

1089


How to measure current and voltage in an ELV circuit

3124


can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?

456


is IS says that neutral should be brought to switch box. and this one is a recomended practice

1013


what is the voltage between earth to neutral in lift.

920


What is knee point voltage of transformer?

198


how the phase convertor changes the no. of phases

1139


There are Two questions about Steam Turbine Generator... What is HRSG bypass of LP, HP used for in power generation? In particualar, in the event that fault of HP bypass, there would be STG TRIP in operation but none on the LP bypass fault...what's the reason ?

1373