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 2726

how to prepare PPM schudule

TATA,

3 5909

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

2 6881

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

1816

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 5647

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 9096

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

7 14341

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

4 6769

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

1 6071

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

1 3845

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

5 18347

How to choose primany and secondary side MCB

1 2960

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 17799

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 19462

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Un-Answered Questions { Electrical Engineering }

what is the calculation involved to design the heater to heat 10KL of water in temperature control unit?

1930

If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

1452

in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer

1808

wat system call?

1970

What’s electric traction?

1142

Why is a synchronous motor always star connected??

2612

Why derating factor os applied on Cables?

1956

What are operating procudures & Safety precautions to be observed while operating OLTC in manual mode ?

1970

How many types are using in 220kv/400 kv swith yard

2188

what the function breaker failure scheme, how is it operated

1905

Dears we deal in Chemical are Plate earthing. Kindly call if any requirement and questions. Tech Earth Solutions Mohit Verma 8791071007

1875

How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

1975

please send me latest & previous years question papers for IOCL Technical level questions

1885

wat is the first thing dat is needed, 2 lay a cable in some area??

1859

How can maintain our H.T. motors used in cement plant. please send me procedure.

5147

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