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Electrical Engineering Interview Questions
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why the desirable efficiency for a motor is 60%, but in case of transformer, it is above 90%?

 1 3217

how to calculate Amp, 2 different Amp of batteries? Example: No. of Batteries = 2 Battery voltage = 12V 1st Battery rating = 17AH 2nd battery rating = 30AH between parallel connection then output volt 12v Amp?

Bhel, LG Soft,

2 4470

Can we use droop CT in neutral in place of W phase of alternator ?

 2 4432

what is the earth resistance

Micron Electricals,

4 6048

For 6600/433 distribution transformer we apply secondary side 433 volts how much voltage in primary side.

 2 4017

how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw

Videocon,

1978

can u tell the difference between star-star transformer and delta to delta transformer.

Videocon,

3 4625

what is rating boiler

 1555

expansion of rccb

Videocon,

2 4190

What is the intent of short circuit studies?

 3 4285

how and why are capacitors are used to improve powerfactor?

 4 5374

why do we use star-delta starter. what is its need?

 6 47447

whenewher three phase supply is given to induction motors revolving/rotating field is created & rotor rotates.When the three phase supply is given to three phase transformer then revolving,/rotating field is created or not? if not why?

 1 2739

how could we findout the lightning arrester failed or not in live circuit? Is there any instrument to measure the high voltage at the time of sky lighting?

 1 3241

ELECtrical

Bahwan Engineering, Bhel, Electrosteel, NBCC, Qatar Airlines,

2 4280

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Un-Answered Questions { Electrical Engineering }

WHAT IS THE WORKING PRINCIPLE OF A GENERATER.how is a GTG (Gas TURBANE Generater) working.plz explane

2051

thyristor controlled APFC panel design parameter?

1344

pls tell me function of closing coil of A.C.B.

2881

What is fault clearing time for Current Limiting Moulded Case Circuit Breaker?.

1316

why magnetising curve not start with zero voltage?

1839




how can we make cable shedule for controll wiring ? which details must be required for it.?

1632

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

1422

Can we test the alignment of End shield and stator of turbogenerator without rotor insertion? Also how to fix maintain the alignment at site installation?

1775

This is urgent!! What is a Thyristor-based 3-ways selector switch with Zero crossing control? how does it operate and where is it mostly found in a system?

1570

State the points to be considered for selecting a particular type wiring.

1613

how does it help for selection of a transformer.

1355

how give earthing conection to household equipment?

1487

Why we find the sensitivity for the CT's to check?

1406

how does this job compare with others you have aplied for?

1231

why we use condenser in the thermal power plant, althrough the same vapour will be again heated

3922

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