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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

H.t motor 6600 volt to same motor lt supply 440volt supply applyed to h.t motor to effect....

Essar,

1891

How to calculate 5hp 415v 3phase 2800rpm Ac motor full load current with out tourgh

Siemens, Spatel,

1 4416

are there rmu for 3 transformer?

OSC,

1881

what is G.O.D.S. ?

RCE,

2 4436

according to ohms law ,the voltage increases then current is what happened?

NTPC,

4 5774

I want to know which cable would be best to carry 125A current to a distance of 50m. Voltage is 3phase. Kindly share the formula with answer.

Medway Educational Consultant,

1 3054

i have 1500 kva generator how much maximum load avilable of use

Dr Reddys,

1 3206

what is dc system? how getting pulse from rectifier?

ETA,

1 3064

Why battery is always operate on dc supply?

Vikram Ispat Industries,

1 3017

how to calculate the size of the HT cable

1894

When alarm is activated in buccholz relay in transformer

1 3023

Why inductor short on dc and capacitor allow to flow ac?

1 4110

Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

1756

In D O l starter motor starts as a star connected ,then in star delta starter also motor initially starts as star how come star delta is preferred from dol

2 3182

Both generator parallel condition shared load equally but one genrator taking ampere more than the other what are all the causes to make like this

Ofer,

1745

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Un-Answered Questions { Electrical Engineering }

Why in ESP Positive earthed

3080

How to calculate the size of earth cable to earth the neutral of UPS ?

1937

Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?

2888

what is transistors comprised of?

1179

What about electrical Units. discrive in detail

2097

what is PWM in IGBT and how it works for drive.?

1663

what is difference between earthingpits,earthing grid & earthing mess?

2513

my name is venkat .i have good percentage in my academics(ssc 86, intermediate 83 b.tech 73) my question 1..after completion of my ssc i joined in bpc but i didnt got rank in emcet so i completed MPC in one year compartmentally ..so here what am expect question from this background?

1922

What willbe change in programming when we use 5/3 solenoid inplace of 5/2 in operating of a cylinder?

2061

HOW TO TEST A LIGHTENING ARREST ER ?

2200

Circuit diagram of tube light without starter using electrical choke

4126

How do you determine the size of transformer radiators in a transformer?

1926

Explain what are inter-poles and why they are required in a dc machine.

1090

What are the properties of a resistor?

1113

What is meant by RVT and NDR ? expansion and details of it

3035

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