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

1 930

how to prepare PPM schudule

TATA,

3 2800

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

2 3404




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

674

Describe the control mechanism of missile launcher???

DRDO, ONGC,

798

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

3 2749

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 4817

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

7 8714




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

4 2746

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

1 3677

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

1 2100

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

5 13430

How to choose primany and secondary side MCB

1 1204

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 12935

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 12540


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Un-Answered Questions { Electrical Engineering }

how you configure motorvision relay (L&T make)from DCS

2739


explain me the relation between torque, frequency,speed,voltage and current in the 3 phase induction motor?

1027


what will be the min and max voltage flow from neutral to earth?

208


what are types of encoder

663


What is use of starter and choke in tube light

526






How can we calculate the KVA rating of a Distribution transformer from its core details?

889


what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq

780


can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.

665


What is the permissable nutral current of three phase system as per IS standards?

807


why ahould you show client/engineer activities clearly on the project plan

1670


how many load we can take for lighting

1003


What will be the fault current of any system when its generation is 10% of BASE generation( FUll Load )?Will is 10% or the same as full base calculation?

696


how many types are their in switchyard or substation(like D,I TYPE), what is differant between them

923


what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

1263


how make megger test for control cable like 12c x 1.5mm and what it apply voltage and test timing details.

1020