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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

NEPC,

1 2175

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

2 2506

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

Havells,

2 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,

1 1186

HOW TO CUT A CAKE IN 8 PIECES IN 1 STROKE

3 3714

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

3 2723

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

1095

what is the function AND aplication of CBCT?

2 3533

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

2 2489

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

1 2157

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

3 2568

why starter use to on a motor

Emco,

6 5046

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

3 18559


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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