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 4435

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

NTPC,

4 5771

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 3062

Why battery is always operate on dc supply?

Vikram Ispat Industries,

1 3016

how to calculate the size of the HT cable

1893

When alarm is activated in buccholz relay in transformer

1 3019

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.

1755

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 3179

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,

1743

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Un-Answered Questions { Electrical Engineering }

how to do the ductor test?

7064

how to select proper cable for ct wiring so that drop within the limit.

1974

What is the fault or needs to be done when frequency in ac drives is not changing?

1660

Good morning: I'm looking for some informations about the OLTC or the LTC: I wont to know what the function of the tie-resistor in during the operation of reversing/coarse operation Cordially

2002

How to calculate capacitor bank value to maintain unity power factor with some suitable example?

1143

sir plz send some previous year questions of jspl.

1933

any application of back emf

2122

R=*¶ l/a

1618

IN dc capacitive reactance is??

1395

what you have to see after one week or month from the day of installation of transformer ?

1720

USE OF 8 WAY PAN ASSEMBLY

1959

i want design of D.C.MOTOR 1HP 960RPM AND 2HP 960RPM ITS URRGENT

1954

Why do we need a separate control desk & PLC control panel in Boiler plant or coal handling plant? Can we provide cost effective Control desk cum PLC panel. Is there is an specific need for control desk.. kindly advice.

2364

how to select the mpcbs and contactor for 3 phase 30 hp star delta motors.for plc control.and tell me the calaculation for future use.

1969

Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,

2907

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