Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is maximum or Threshold value of current 7 voltage that a common man can withstand

1 1005

how to prepare PPM schudule

TATA,

3 2887

what does the regenerative braking mean?and how it used for Dc motor? thanks.

2 3509




would the same effect be achieved by reversing the connection to one winding of the induction motor 3-phase?

692

Describe the control mechanism of missile launcher???

DRDO, ONGC,

819

If ac 230volts inputsupply to full wave rectifire what is D C output voltage.

3 2821

we can stepdown the voltage from 230/12v ,and we use the voltage for various electronics components why can't we step up the voltage from 12/230v if we can shall we use the voltage for domestic single phase supply

Areva,

5 4895

A 11000/415V distribution transformer is fed 415V upon it's LT side,Do I get 11000V upon it's Primary side ?

7 8896




For having nonavailablity of 10 Amps fuse, a lineman replace the same with 5Amps two strand, Do he correct ?

4 2831

What is the difference between Analogue Addressable Systems and intelligent Addressable Systems

1 3819

at the time of starting back emf of a motor is zero.so how can it will start to run??

1 2148

why we have to do tan delta test of the transformer oil???

5 13609

How to choose primany and secondary side MCB

1 1255

why firewall is build up between two transformer (220/11kv,50MVA)?what should be the firewall height?what is the clearance between firewall and transformer?

Siemens, Tous Stadt,

2 13185

In a Synchronous generator, Can AC voltage be used instead of DC voltage in field winding of rotor to produce AC power?

NTPC, Windia,

10 12653


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Un-Answered Questions { Electrical Engineering }

how to apply b license to c license in tneb

560


how to ctrl motor by use of ac or dc drive.plz explain evdintly

784


If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

905


what is the working process of over & under voltage relay.

893


what is diff btw electric,magnetic & eletromagnetic field

845






why there using acb enclosure in big buildings

760


When will you multiply and devide with derating factors to the actual value while sizing the cable?

780


Why the output of OP-AMP is always less than Vcc?

811


At what speed an electric car can run with 2 HP motor of weighing 400 kg?

551


How many types oil using in transformer ? How many letars using in transformer..?

876


How CFL &T5 tube light glows?

882


Scott connection is used for A 3-phase to 2-phase conversion B to achieve higher effciency C to save copper D to reduce harmonics

1139


how to select diiferent power transformers of same capacity on no load loss and full load loss by economical point of view.?

852


While testing a ZCT what parameters have to check or measure?

1110


how to calculate fuse rating for a motor

3578