Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the difference between diode and a transistor in terms of the direction of current flow?

1717

please send the IS strandard for electrical to sakthi_murugan86@yahoo.co.in

1866

If I have a motor of 1MW with 6.6kv, running at 35% load, how can i save energy without reducing the load ?

Reddy Labs,

2 4258

What is the advantage and disadvantage of dry type transformer?

Bhel,

5 18236

is there any difference in reading or error in value, if we connect the R phase in Y terminal and Y phase in R terminal of electronic energy meter of 11 kv feerders???

KSEB,

1 3893

why inuctive drop is not consider in DC MOTOR

2 3459

what's the difference between abs/inc encoders. apart from the position remembrance what are all the other differences. and what's mean by grey code.

1608

what is reactive and active power?why we need power factor correction?

2 4343

why inductivedrop in dc motor neglected

2 4581

I am selected in OCL(Orissa cement Limited), but they have a Tech PI round their at their plant.Anybody has any idea that what kind of questions they are going to ask??Please guies help me. I am in serious headache.I have heard that huge elimination is done at there.

3977

why we use capacitor in Fans not resistor?

Vardhman,

4 7561

how can i determine the KVA/MVA rating of transformer precisely?? is there any standard test?????

1910

Why there are semi conductor layers on conductor and XLPE insulation of HT cables

1 2955

Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?

1649

one cable insulation resistance 200 mega ohm. how find 250 meter cable resistance.

NTPC,

2 6871


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Un-Answered Questions { Electrical Engineering }

PLS SEND THE RRB CHENNAI MODEL QUESTION PAPER my email id is ganesan98655@rediffmail.com

1649


How servo stabilizer works.

1677


what is the affect of earth's magnetic field on the frequency used in aircraft???

1577


What are gain margin and phase margin?

875


what topics we have to concentrate for power grid et.written test.and tell what to read for english synonyms and antonyms.

1533






Who many reason of ignition fail ?

1503


What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?

1657


What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

1635


When color of silica gel will gets change from blue to pink from Top to bottom?

1154


I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. Between alternator & breaker one stepup transformer used. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.

1895


I am EEE student i want to improve my core side skills.how cn i approach it?

2034


What is meant by Low Resistance Cable and High Resistance Cable.

1470


DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS

1667


why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%

1515


what is automatic voltage regulator?we can control the vlotage by using fuzzy controller in matlab?why we go for fuzzy?

1528