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 the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?

Eprosys Engineering Consultants,

1585

if 3400kw slipring motor rotor shorting done and motor started on mv drive ,what will be the rotor shoring current

1715

If we have 11 kv RYB Phase single core cable near about. Then wht effect and losses

Kirloskar,

1875

Why the underground cables will Punchar? or what is the reason to burst the underground cables?

1 2904

11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??

1600

Motor,transformers,capacitor tubelight etc....

1647

160 kw motor running use 2R* 150 SQ mm cable

ID,

1632

Meter p.t. ratio= 3×230/400 , c.t.ratio = 3×1 (2) A what is m.f.

1754

physical identification of HT & LT panel

Schneider,

1675

how could we calculate the no of outgoings from a 800 watt distribution board

United Engineering,

1823

how could we know the size of cable by physical view?

Havells, United Engineering,

1627

some basic standard questions on transformer.

United Engineering,

1797

i have 3, 75hp motors and 10, 15 hp motors....and to run this motors continously with a generator how much rating(kva) of generator will suiteble....?

2 3566

I Need standard operation procedure(SOP)for 500kva Oil type transformer oil filtration & Procedure for IR value checking.

Reliance,

2895

determine two methods to find loose connection in operational electrical system?

1684

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Un-Answered Questions { Electrical Engineering }

what is the formula for hv test for cable and circuit breaker..????

2038

33kv substation lay out details & line to line & line to earth measurements

2621

How we calculate the Multiplying Factor of Kwh meter for 3 phase alternator.

1887

how much GROUND & NEUTRAL VOLT maintain in data center.

2056

how line turns ratio changes in 3 phase with change in connection

1985

upto how much low RPM we will run the commercial motor which is run through VFD without any problem occurs in motor.Motor rating Duty is S1 & RPM is 1400.

2146

How can calculate the earthing strip of Copper/GI for rating of 30kV,discharge current 10KA Lightning arrester.

2324

What is the function of probe in cro?

1204

if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

1895

why ten delta testing is carried out on power transformer

1816

can i use 2000/5A Clamp meter to measure HT cable

2023

How to select the proper VSD to operate high inertial load

1736

In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases

2027

what are the stresses in circuit breakers ?

2019

why effective resistance should be more than static resistance in transmission line?

2102

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