Electrical Engineering Interview Questions
Questions Answers Views Company eMail

When motor stater and roter air gap do big then what will moter.

Intas,

3 5371

Impedance relay is directional relay or non directional relay?

KSEB, NTDC,

2 7376

What is difference between Electrical & Electronic Device? 

AZ Engineering, Vodafone,

7 11597

Explain and give examples about VCB?

AZ Engineering, Vodafone,

2877

what is transient earth voltage

2 6105

how tto ingress mw in turbine explain.procedure ?

Power Grid,

1724

How to calculate load requirement of a 50 flat apartment with 5 kw each unit,sizing of cable,transformer

1 3447

what does mean ct knee voltage and burden 

1 3372

In three phase, phase to phase voltage is 440 Volts, but the three phase motors are designed for 415 Volt, 50 hz, why

Shree Ram, Shriram, Sri Ram,

1 4941

A 3ph load of 10 KW is equal to how many KW of single phase .

1 5063

how do you tell if a avalanche button diode is a p or an

1 2840

I have iti elec, 1st aid, and 5 yrs experience in 7.5 mw power plant. Am i eligeble for 11kv license in telangana state..when, how to apply for that.?

1825

how can we judge the percentage of load on the basis of temperature differences readings between WTI and OTI in a transformer

Toshiba,

1 4166

What we change frequency from transformer. yes or no

Intas,

3 5836

What is induction motor

Indoco Remedies,

1 4542


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Un-Answered Questions { Electrical Engineering }

how to calculate the magnetizing current of ct ( 800A/1A) for Relay 64

1032


What does quality factor depend on in resonance?

642


How to select batteries required for ups and the inverter if we Known load? And how AH is selected of battery?

873


IN induction motor pf is increased using capacitors.what will be the effect on motor and system when very large capacitor is accidently installed and pf goes leading.

1614


i want to run 11kv star connected motor in 6.6kv with delta connected throught inverter, is it possible?

1597






What is value of earth resistance required for substation and equipment earthing and what are the reference guidelines

1264


What is inverse definite minimum time lag relay? Where is it use?

2277


What is the difference between the impedance percent and impedance voltage ?

1683


What is the use for cable entry in control room?

704


what is meant by the phrase 'static load' in case of shorting in a generator excitation system?

1698


How relay coordination has to be done? what are the inputs are required for this? Please explain this with calculation method?

1340


what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?

1574


which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?

1554


Can i replace Earth leakage relay to the faulty Earth Faulty Relay

1032


I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.

1502