Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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 2734

how to prepare PPM schudule

TATA,

3 5917

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

2 6887

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

1818

Describe the control mechanism of missile launcher???

DRDO, ONGC,

1973

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

3 5652

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 9102

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

7 14356

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

4 6776

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

1 6079

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

1 3847

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

5 18357

How to choose primany and secondary side MCB

1 2964

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 17810

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 19483

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Un-Answered Questions { Electrical Engineering }

Single line digram for 11 kV to distribution use go,la and do

1822

What is the difference between electronic regulator and ordinary rheostat regulator for fans?

1033

WHAT IS IM (INDEX OF MOUNTING )IN MOTORS

2038

What is the classification of hydro projects based on installed capacity?

1197

what is the best method of grounding in 30 MW generator?

2029

What are the advantages of autotransformer?

1221

define as synchronous generator

2152

how current is reverse from its normal direction during the fault?

2462

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

2147

Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?

1818

Why power factor should not be in leading (capacitive) mode of any load.

7034

Why frame of the motor is specified?. If we mention KW and voltage level,automatically frame is decided or separately frame is compulsory to mention?.

1738

how much GROUND & NEUTRAL VOLT maintain in data center.

2060

What is the voltage gain or transfer function of amplifier?

1144

is there any chart showing the suitable cable size according to AMP and length ? for three phase motors

1398

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