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Electrical Engineering Interview Questions

whay is snubber circuit , why we are using snubber circuit in thyristor

NEPC,

2175

How to test the vector groups of 3 winding transformer & phase displacements

2506

what is the advantage of using 3 phase line rather than using 2 phase line?

4161

need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

875

hi, could someone help me to find a control design for syncronising panel .

878

how to calculate knee point voltage for pt?

Amec,

1186

HOW TO CUT A CAKE IN 8 PIECES IN 1 STROKE

3714

how step up transformer step up the voltage and what is the reason behind it?

2723

what is RFCT and Insulgard Relay & It's function?

1095

what is the function AND aplication of CBCT?

3533

When the load on the system is zero and Capacitor bank is on condition, is capacitor bank takes any load?

2489

hi, is there a difference in choosing bus bar for DC or AC ,,if there can anyone help me about. thanks

2157

Can 2 nos. of 1 ton split ac be used through a 20 am supply meter?

2568

why starter use to on a motor

Emco,

5046

what's the difference between ATS and AMF...??pls answer me in detail with its working principle and construction also..

18559

Un-Answered Questions { Electrical Engineering }

How you give clearance to a spare feeder.

699

what could be the RMS value and average value of a 4 phase sine wave?

987

how braking & making capacity of circuit breaker is calculated?

1117

Who are the manufactures those manufacturing 3Cx2.5sqmm FRLS cables. I heard about FRLS technology adopted only in wires useful for wirings

1133

Define resonant peak?

178

WHAT IS FAULT CAPACITY OF HT MOTOR TERMINAL BLOCK? ANY BODY HAVE ANSWER PLZ....POST IT.

1162

how is the magnetic current test is different in delta-star and delta delta transformer.

1193

Why control of DC motor is simpler?

1423

what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

1104

What are the functions of temperature scanner in power transformer?

1165

Why AC current leads voltage in capacitor and how?

1084

What is the basic of DTH.

1329

what is ratio of copper wire size and current ?

918

primery try cell?

1055

What is principle of Floroscent tube 36watt.

1077