Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the function of commutator in dc motor?

3 3209

why odd hormonics only will effect the power system.why not even hormonics

1 771

Can any body tell me what is use of END OF LINE RESISTOR in fire alaram circuit?

2 4715




what is different between DIGITAL and ANALOG?

3 3000

Can any body tell me about INNER SHUNT COMPOUND MOTOR diagram?

763

what is the differnce between vector and phasor? are both same or there is difference between two term.?

5 8978

In batteries after completion of charging which colour gas is emitted from it?

Essar,

2 2282

(1)Electrical power is generated in KV, power consunmed is in MW and the transformers used are in KVA. How is KVA converted to MW as power being consumed by the consumers? (2)What is vector group of a transformer?

1 2232




Why we are measured insulation resistance applied through DC Voltage?

3 3377

function of soft starter .

2 5260

what is different between DIGITAL and ANALOG?

2 2911

why the voltage level is changed when the unearth cable is earth

2 3445

WhY PF low at Time of PT Missing in HT Meter

HCL,

2 2940

When One Phase PT Missing (voltage drop ) this time current is zero of This phase(PT Missing Phase) and current is Not Zero of other Phase but PF is always Low That Why

HCL,

678

what happenes if two voltage source connected in parallel will be connected to load.

Efftronics Systems,

3 11007


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Un-Answered Questions { Electrical Engineering }

hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...

1245


what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks

648


how can we say that stator magnetic field rotates with synchronous speed?can we derive?

496


how can decide the current rating of oltc

989


Why in 6 KV XLPE cable termination kit used and why not in 380 V xlpe cable same is not used

1297






Difference between rating factor of cable and derating factor of cable?

242


what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors

640


How to Calculate the Fault Level of Electrical Installation

910


why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?

427


How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

1427


How to design a Unit auxiliary transformer for a power house having a unit of 65 MW and Generating voltage of 11 KV and Secondary voltage of 433V

638


HOW TO CALCULATE CAPACITOR BANK OR HARMONIC FILTER CALCULATION

924


If I have 3 essential main switch board and 3 incoming electricity ,but only 1 genset running is that possible.

238


what is circuit recombiner and how it is different from circuit breaker

578


What is EMC filter in VVVF Drive ?

1262